RBI Assistant Mains Online Test Series 5, RBI Assistant Mock Test
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RBI Assistant Mains Online Test Series 5, RBI Assistant Mock Test Series 5. Take CAknowledge RBI Online Test 2025 without paying anything. RBI Assistant Mains Free Mock Test Exam 2025. RBI Assistant Mains Exam Free Online Quiz 2025, RBI Assistant Mains Full Online Mock Test Series 5th in English. RBI Assistant Mains Free Mock Test Series 5. RBI Assistant Mains English Language Online Test in English Series 5th. Take RBI Assistant Mains Online Quiz. The RBI Assistant Mains Full online mock test paper is free for all students. RBI Assistant Mains Question and Answers in English and Hindi Series 5. Here we are providing RBI Assistant Mains Full Mock Test Paper in English. RBI Assistant Mains Mock Test Series 5th 2025. Now Test your self for RBI Assistant Mains Exam by using below quiz…
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Question 1 of 50
1. Question
25 * 25 / 25 + 15 * 40 = ?
Correct
(25 * 25)/25 + 15 * 40 = 25 + 600 = 625.
Incorrect
(25 * 25)/25 + 15 * 40 = 25 + 600 = 625.
-
Question 2 of 50
2. Question
The sum of the two digits of a number is 10. If the number is subtracted from the number obtained by reversing its digits, the result is 54. Find the number?
Correct
Any two digit number can be written as (10P + Q), where P is the digit in the tens place and Q is the digit in the units place.
P + Q = 10 —– (1)
(10Q + P) – (10P + Q) = 54
9(Q – P) = 54
(Q – P) = 6 —– (2)
Solve (1) and (2) P = 2 and Q = 8
The required number is = 28Incorrect
Any two digit number can be written as (10P + Q), where P is the digit in the tens place and Q is the digit in the units place.
P + Q = 10 —– (1)
(10Q + P) – (10P + Q) = 54
9(Q – P) = 54
(Q – P) = 6 —– (2)
Solve (1) and (2) P = 2 and Q = 8
The required number is = 28 -
Question 3 of 50
3. Question
If 12 men or 20 women can do a piece of work in 54 days, then in how many days can 9 men and 12 women together do the work?
Correct
Given that 12m = 20w => 3m = 5w
9 men + 12 women = 15 women + 12 women = 27 women
20 women can do the work in 54 days. So, 27 women can do it in (20 * 54) /27 = 40 days.Incorrect
Given that 12m = 20w => 3m = 5w
9 men + 12 women = 15 women + 12 women = 27 women
20 women can do the work in 54 days. So, 27 women can do it in (20 * 54) /27 = 40 days. -
Question 4 of 50
4. Question
A and B start a business, with A investing the total capital of Rs.50000, on the condition that B pays A interest @ 10% per annum on his half of the capital. A is a working partner and receives Rs.1500 per month from the total profit and any profit remaining is equally shared by both of them. At the end of the year, it was found that the income of A is twice that of B. Find the total profit for the year?
Correct
Interest received by A from B = 10% of half of Rs.50000 = 10% * 25000 = 2500.
Amount received by A per annum for being a working partner = 1500 * 12 = Rs.18000.
Let ‘P’ be the part of the remaining profit that A receives as his share. Total income of A = (2500 + 18000 + P)
Total income of B = only his share from the remaining profit = ‘P’, as A and B share the remaining profit equally.
Income of A = Twice the income of B
(2500 + 18000 + P) = 2(P)
P = 20500
Total profit = 2P + 18000
= 2*20500 + 18000 = 59000Incorrect
Interest received by A from B = 10% of half of Rs.50000 = 10% * 25000 = 2500.
Amount received by A per annum for being a working partner = 1500 * 12 = Rs.18000.
Let ‘P’ be the part of the remaining profit that A receives as his share. Total income of A = (2500 + 18000 + P)
Total income of B = only his share from the remaining profit = ‘P’, as A and B share the remaining profit equally.
Income of A = Twice the income of B
(2500 + 18000 + P) = 2(P)
P = 20500
Total profit = 2P + 18000
= 2*20500 + 18000 = 59000 -
Question 5 of 50
5. Question
The proportion of copper and zinc in the brass is 13:7. How much zinc will there be in 100 kg of brass?
Correct
7/20 * 100 = 35
Incorrect
7/20 * 100 = 35
-
Question 6 of 50
6. Question
The sale price of an article including the sales tax is Rs. 616. The rate of sales tax is 10%. If the shopkeeper has made a profit of 12%, then the cost price of the article is:
Correct
110% of S.P. = 616
S.P. = (616 * 100)/110 = Rs. 560
C.P = (110 * 560)/112 = Rs. 500Incorrect
110% of S.P. = 616
S.P. = (616 * 100)/110 = Rs. 560
C.P = (110 * 560)/112 = Rs. 500 -
Question 7 of 50
7. Question
Present ages of X and Y are in the ratio 5:6 respectively. Seven years hence this ratio will become 6:7 respectively. What is X’s present age in years?
Correct
Let the present ages of X and Y be 5x and 6x years respectively.
Then, (5x + 7)/(6x + 7) = 6/7
7(5x + 7) = 6(6x + 7) => x = 7
X’s present age = 5x = 35 years.Incorrect
Let the present ages of X and Y be 5x and 6x years respectively.
Then, (5x + 7)/(6x + 7) = 6/7
7(5x + 7) = 6(6x + 7) => x = 7
X’s present age = 5x = 35 years. -
Question 8 of 50
8. Question
A train running at the speed of 60 km/hr crosses a pole in 9 sec. What is the length of the train?
Correct
Speed = 60 * 5/18 = 50/3 m/sec
Length of the train = speed * time = 50/3 * 9 = 150 mIncorrect
Speed = 60 * 5/18 = 50/3 m/sec
Length of the train = speed * time = 50/3 * 9 = 150 m -
Question 9 of 50
9. Question
A number exceeds by 25 from its 3/8 part. Then the number is?
Correct
x – 3/8 x = 25
x = 40Incorrect
x – 3/8 x = 25
x = 40 -
Question 10 of 50
10. Question
A father said to his son, “I was as old as you are at present at the time of your birth.” If the father’s age is 38 years now, the son’s age five years back was:
Correct
Let the son’s present age be x years.
Then, (38 – x) = x
2x = 38 => x = 19
Son’s age 5 years back = (19 – 5) = 14 years.Incorrect
Let the son’s present age be x years.
Then, (38 – x) = x
2x = 38 => x = 19
Son’s age 5 years back = (19 – 5) = 14 years. -
Question 11 of 50
11. Question
A building contractor employs 20 male, 15 female and 5 child workers. To a male worker he pays Rs.25 per day, to a female worker Rs.20 per day and a child worker Rs.8 per day. The average wage per day paid by the contractor is?
Correct
20 15 5
25 20 8
500 + 300 + 40 = 840/40 = 21Incorrect
20 15 5
25 20 8
500 + 300 + 40 = 840/40 = 21 -
Question 12 of 50
12. Question
A man saves Rs. 200 at the end of each year and lends the money at 5% compound interest. How much will it become at the end of 3 years?
Correct
Amount = [200(1 + 5/100)3 + 200(1 + 5/100)2 + 200(1 + 5/100)]
= [200 * 21/20(21/20 * 21/20 + 21/20 + 1)] = Rs. 662.02Incorrect
Amount = [200(1 + 5/100)3 + 200(1 + 5/100)2 + 200(1 + 5/100)]
= [200 * 21/20(21/20 * 21/20 + 21/20 + 1)] = Rs. 662.02 -
Question 13 of 50
13. Question
If an article is sold at 19% profit instead of 12% profit, then the profit would be Rs. 105 more. What is the cost price?
Correct
Let the cost price of an article be Rs. x.
(19% of x) – (12% of x) = 105
19x/100 – 12x/100 = 105 => 7x = 105 * 100
=> x = 1500
Cost price = Rs. 1500Incorrect
Let the cost price of an article be Rs. x.
(19% of x) – (12% of x) = 105
19x/100 – 12x/100 = 105 => 7x = 105 * 100
=> x = 1500
Cost price = Rs. 1500 -
Question 14 of 50
14. Question
The average age of three boys is 15 years and their ages are in proportion 3:5:7. What is the age in years of the youngest boy?
Correct
3x + 5x + 7x = 45
x =3
3x = 9Incorrect
3x + 5x + 7x = 45
x =3
3x = 9 -
Question 15 of 50
15. Question
The simple interest on a sum of money will be Rs.600 after 10 years. If the principal is trebled after 5 years what will be the total interest at the end of the tenth year?
Correct
P — 10 —- 600
P — 5 —– 300
3P — 5 —– 900
——
=> 1200Incorrect
P — 10 —- 600
P — 5 —– 300
3P — 5 —– 900
——
=> 1200 -
Question 16 of 50
16. Question
An article is bought for Rs.600 and sold for Rs.500, find the loss percent?
Correct
600 —- 100
100 —- ? => 16 2/3%Incorrect
600 —- 100
100 —- ? => 16 2/3% -
Question 17 of 50
17. Question
25 2/5 + 8 4/5 + 4/5 = ?
Correct
25 2/5 + 8 4/5 + 4/5 = 34 4/5 ≡ 35
Incorrect
25 2/5 + 8 4/5 + 4/5 = 34 4/5 ≡ 35
-
Question 18 of 50
18. Question
The average of first ten prime numbers which are odd is?
Correct
Sum of first 10 prime no. which are odd = 158
Average = 158/10 = 15.8Incorrect
Sum of first 10 prime no. which are odd = 158
Average = 158/10 = 15.8 -
Question 19 of 50
19. Question
A man purchased 3 blankets @ Rs.100 each, 5 blankets @ Rs.150 each and two blankets at a certain rate which is now slipped off from his memory. But he remembers that the average price of the blankets was Rs.150. Find the unknown rate of two blankets?
Correct
10 * 150 = 1500
3 * 100 + 5 * 150 = 1050
1500 – 1050 = 450Incorrect
10 * 150 = 1500
3 * 100 + 5 * 150 = 1050
1500 – 1050 = 450 -
Question 20 of 50
20. Question
A boy rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km/hr. His average speed for the entire trip is approximately?
Correct
Total distance traveled = 10 + 12 = 22 km /hr.
Total time taken = 10/12 + 12/10 = 61/30 hrs.
Average speed = 22 * 30/61 = 10.8 km/hr.Incorrect
Total distance traveled = 10 + 12 = 22 km /hr.
Total time taken = 10/12 + 12/10 = 61/30 hrs.
Average speed = 22 * 30/61 = 10.8 km/hr. -
Question 21 of 50
21. Question
The length of the bridge, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is:
Correct
Speed = [45 X 5/18] m/sec = [25/2] m/sec Time = 30 sec Let the length of bridge be x metres. Then, (130 + x)/30 = 25/2 => 2(130 + x) = 750 => x = 245 m.
Incorrect
Speed = [45 X 5/18] m/sec = [25/2] m/sec Time = 30 sec Let the length of bridge be x metres. Then, (130 + x)/30 = 25/2 => 2(130 + x) = 750 => x = 245 m.
-
Question 22 of 50
22. Question
A man gains 20% by selling an article for a certain price. If the sells it at double the price, the percentage of profit will be:
Correct
Let C.P. = Rs. x.
Then, S.P. = Rs. (12% of x) = Rs. 6x/5
New S.P. = 2 * 6x/5 = Rs. 12x/5
Profit = 12x/5 – x = Rs. 7x/5
Profit = 7x/5 * 1/x * 100 = 140%.Incorrect
Let C.P. = Rs. x.
Then, S.P. = Rs. (12% of x) = Rs. 6x/5
New S.P. = 2 * 6x/5 = Rs. 12x/5
Profit = 12x/5 – x = Rs. 7x/5
Profit = 7x/5 * 1/x * 100 = 140%. -
Question 23 of 50
23. Question
If a number is subtracted from its square we get 272. Find the number?
Correct
x2 – x = 272 => x =17
Incorrect
x2 – x = 272 => x =17
-
Question 24 of 50
24. Question
By how much is 3/5th of 875 greater than 2/3 of 333?
Correct
3/5th of 875 is greater than 2/3rd of 333
= 3/5 * 875 – 2/3 * 333
= 525 – 222 = 303.Incorrect
3/5th of 875 is greater than 2/3rd of 333
= 3/5 * 875 – 2/3 * 333
= 525 – 222 = 303. -
Question 25 of 50
25. Question
(180/37 of 14.8) / (17/60.1 of 180.30) = ?
Correct
(180/37 of 14.8) / (17/60.1 of 180.30) = 72/51 = 24/17 = 1.41
Incorrect
(180/37 of 14.8) / (17/60.1 of 180.30) = 72/51 = 24/17 = 1.41
-
Question 26 of 50
26. Question
A man swims downstream 30 km and upstream 18 km taking 3 hours each time, what is the speed of the man in still water?
Correct
30 — 3 DS = 10
? —- 1
18 —- 3 US = 6
? —- 1 M = ?
M = (10 + 6)/2 = 8Incorrect
30 — 3 DS = 10
? —- 1
18 —- 3 US = 6
? —- 1 M = ?
M = (10 + 6)/2 = 8 -
Question 27 of 50
27. Question
What percentage of numbers from 1 to 70 have squares that end in the digit 1?
Correct
Clearly, the numbers which have 1 or 9 in the unit’s digit, have squares that end in the digit 1. Such numbers from 1 to 70 are 1, 9, 11, 19, 21, 29, 31, 39, 41, 49, 51, 59, 61, 69.
Number of such numbers = 14.
Required percentage = (14/70 * 100) = 20%Incorrect
Clearly, the numbers which have 1 or 9 in the unit’s digit, have squares that end in the digit 1. Such numbers from 1 to 70 are 1, 9, 11, 19, 21, 29, 31, 39, 41, 49, 51, 59, 61, 69.
Number of such numbers = 14.
Required percentage = (14/70 * 100) = 20% -
Question 28 of 50
28. Question
The difference between a number and its three-fifth is 50. What is the number?
Correct
Let the number be x. Then,
x – 3/5 x = 50 => 2/5 x = 50
x = (50 * 5)/2 = 125.Incorrect
Let the number be x. Then,
x – 3/5 x = 50 => 2/5 x = 50
x = (50 * 5)/2 = 125. -
Question 29 of 50
29. Question
A dealer purchased an article at 3/4 of its list price and sold 50% more than the list price. Find his gain percent?
Correct
MP = 100
CP = 75
SP = 150
——
75 —- 75
100 —- ? => 100%Incorrect
MP = 100
CP = 75
SP = 150
——
75 —- 75
100 —- ? => 100% -
Question 30 of 50
30. Question
7394 – 1236 – 4652 = ?
Correct
Incorrect
-
Question 31 of 50
31. Question
The area of sector of a circle whose radius is 12 metro and whose angle at the center is 42° is?
Correct
42/360 * 22/7 * 12 * 12 = 52.8 m2
Incorrect
42/360 * 22/7 * 12 * 12 = 52.8 m2
-
Question 32 of 50
32. Question
105.126 * 35.201 – 90.23 * 3 + 55.11 * 27.01 = ?
Correct
105.126 * 35.201 – 90.23 * 3 + 55.11 * 27.01
= 105 * 35 – 90 * 3 +55 * 27 = 3675 – 270 + 1485
= 5160 – 270 = 4890Incorrect
105.126 * 35.201 – 90.23 * 3 + 55.11 * 27.01
= 105 * 35 – 90 * 3 +55 * 27 = 3675 – 270 + 1485
= 5160 – 270 = 4890 -
Question 33 of 50
33. Question
If the area of circle is 616 sq cm then its circumference?
Correct
22/7 r2 = 616 => r = 14
2 * 22/7 * 14 = 88Incorrect
22/7 r2 = 616 => r = 14
2 * 22/7 * 14 = 88 -
Question 34 of 50
34. Question
A sum of money place at compound interest doubles itself in 4 years. In how many years will it amount to eight times itself?
Correct
100 —- 200 —- 4
400 —- 4
800 —- 4
——
12 yearsIncorrect
100 —- 200 —- 4
400 —- 4
800 —- 4
——
12 years -
Question 35 of 50
35. Question
Sixty men can stitch 200 shirts in 30 days working 8 hours a day. In how many days can 45 men stitch 300 shirts working 6 hours a day?
Correct
We have M1 D1 H1 / W1 = M2 D2 H2 / W2 (Variation rule)
(60 * 30 * 8)/ 200 = (45 * D2 * 6) / 300
D2 = (60 * 30 * 8 * 300) / (200 * 45 * 6) => D2 = 80.Incorrect
We have M1 D1 H1 / W1 = M2 D2 H2 / W2 (Variation rule)
(60 * 30 * 8)/ 200 = (45 * D2 * 6) / 300
D2 = (60 * 30 * 8 * 300) / (200 * 45 * 6) => D2 = 80. -
Question 36 of 50
36. Question
A gardener wants to plant trees in his garden in rows in such away that the number of trees in each row to be the same. If there are 24 rows the number of trees in each row is 42 if there are 12 more rows find the number of trees in each row?
Correct
Required number of trees
= 24/36 * 42 = 28.Incorrect
Required number of trees
= 24/36 * 42 = 28. -
Question 37 of 50
37. Question
5/8 * 2(2/5 – 5/4) / 1 1/4 = ?
Correct
(5/8 * 12/5 – 5/4)/(5/4) (3/2 -5/4)/(5/4) = 1/5
Incorrect
(5/8 * 12/5 – 5/4)/(5/4) (3/2 -5/4)/(5/4) = 1/5
-
Question 38 of 50
38. Question
A and B can do a work in 18 day, B and C in 30 days, A and C in 22 (1/2) days. In how many days can A,B and C individually do the work?
Correct
(A+B+C)’s two days work = 1/18 + 1/30 + 2/45
= (5 + 3 + 4)/90 = 2/15
(A+B+C)’s one day work = 2/15 * 1/2 = 1/15
A’s one day’s work = 1/15 – 1/30 = 1/30
B’s one day’s work = 1/15 – 2/45 = 1/45
C’s one day’s work = 1/15 – 1/18= 1/90
So, A,B and C can individually do the work in 30, 45 and 90 days.Incorrect
(A+B+C)’s two days work = 1/18 + 1/30 + 2/45
= (5 + 3 + 4)/90 = 2/15
(A+B+C)’s one day work = 2/15 * 1/2 = 1/15
A’s one day’s work = 1/15 – 1/30 = 1/30
B’s one day’s work = 1/15 – 2/45 = 1/45
C’s one day’s work = 1/15 – 1/18= 1/90
So, A,B and C can individually do the work in 30, 45 and 90 days. -
Question 39 of 50
39. Question
A sells his goods 50% cheaper than B but 50% dearer than C. The cheapest is?
Correct
Let B = 100
A = 50
C * (150/100) = 50
3C = 100
C = 33.3 then ‘C’ CheapestIncorrect
Let B = 100
A = 50
C * (150/100) = 50
3C = 100
C = 33.3 then ‘C’ Cheapest -
Question 40 of 50
40. Question
If 10% of x = 20% of y, then x:y is equal to:
Correct
10% of x = 20% of y
10x/100 = 20y/100 => x/10 = y/5
x/y = 10/5 = 2/1
x:y = 2:1.Incorrect
10% of x = 20% of y
10x/100 = 20y/100 => x/10 = y/5
x/y = 10/5 = 2/1
x:y = 2:1. -
Question 41 of 50
41. Question
The average temperature for Monday, Tuesday, Wednesday and Thursday was 48 degrees and for Tuesday, Wednesday, Thursday and Friday was 46 degrees. If the temperature on Monday was 42 degrees. Find the temperature on Friday?
Correct
M + Tu + W + Th = 4 * 48 = 192
Tu + W + Th + F = 4 * 46 = 184
M = 42
Tu + W + Th = 192 -42 = 150
F = 184 – 150 = 34Incorrect
M + Tu + W + Th = 4 * 48 = 192
Tu + W + Th + F = 4 * 46 = 184
M = 42
Tu + W + Th = 192 -42 = 150
F = 184 – 150 = 34 -
Question 42 of 50
42. Question
The parameter of a square is double the perimeter of a rectangle. The area of the rectangle is 480 sq cm. Find the area of the square.
Correct
Let the side of the square be a cm. Let the length and the breadth of the rectangle be l cm and b cm respectively.
4a = 2(l + b)
2a = l + b
l . b = 480
We cannot find ( l + b) only with the help of l . b. Therefore a cannot be found .
Area of the square cannot be found.Incorrect
Let the side of the square be a cm. Let the length and the breadth of the rectangle be l cm and b cm respectively.
4a = 2(l + b)
2a = l + b
l . b = 480
We cannot find ( l + b) only with the help of l . b. Therefore a cannot be found .
Area of the square cannot be found. -
Question 43 of 50
43. Question
The ratio between the present ages of P and Q is 5:7 respectively. If the difference between Q’s present age and P’s age after 6 years is 2. What is the total of P’s and Q’s present ages?
Correct
Let the present ages of P and Q be 5x and 7x years respectively.
Then, 7x – (5x + 6) = 2
2x = 8 => x = 4
Required sum = 5x + 7x = 12x = 48 years.Incorrect
Let the present ages of P and Q be 5x and 7x years respectively.
Then, 7x – (5x + 6) = 2
2x = 8 => x = 4
Required sum = 5x + 7x = 12x = 48 years. -
Question 44 of 50
44. Question
7 2/5 of 110 / ? = 844
Correct
? = 844 – 7 2/5 of 110 = 844 – 37 * 22 = 30
Incorrect
? = 844 – 7 2/5 of 110 = 844 – 37 * 22 = 30
-
Question 45 of 50
45. Question
What sum of money put at C.I amounts in 2 years to Rs.8820 and in 3 years to Rs.9261?
Correct
8820 —- 441
100 —- ? => 5%
x *105/100 * 105/100 = 8820
x*1.1025=8820
x=8820/1.1025 => 8000Incorrect
8820 —- 441
100 —- ? => 5%
x *105/100 * 105/100 = 8820
x*1.1025=8820
x=8820/1.1025 => 8000 -
Question 46 of 50
46. Question
How many cubes of edge 2 dm can be cut out of a meter cube?
Correct
1 * 1* 1 = 2/10 * 2/10 * 2/10 * x
x = 125Incorrect
1 * 1* 1 = 2/10 * 2/10 * 2/10 * x
x = 125 -
Question 47 of 50
47. Question
Rs.800 amounts to Rs.920 in 3 years at simple interest. If the interest is increased by 3%, it would amount to how much?
Correct
(800*3*3)/100 = 72
920 + 72 = 992Incorrect
(800*3*3)/100 = 72
920 + 72 = 992 -
Question 48 of 50
48. Question
The average of 35 numbers is 25. If each number is multiplied by 5, find the new average?
Correct
Sum of the 35 numbers = 35 * 25 = 875
If each number is multiplied by 5, the sum also gets multiplied by 5 and the average also gets multiplied by 5.
Thus, the new average = 25 * 5 = 125.Incorrect
Sum of the 35 numbers = 35 * 25 = 875
If each number is multiplied by 5, the sum also gets multiplied by 5 and the average also gets multiplied by 5.
Thus, the new average = 25 * 5 = 125. -
Question 49 of 50
49. Question
A person travels equal distances with speeds of 3 km/hr, 4 km/hr and 5 km/hr and takes a total time of 47 minutes. The total distance is?
Correct
Let the total distance be 3x km.
Then, x/3 + x/4 + x/5 = 47/60
47x/60 = 47/60 => x = 1.
Total distance = 3 * 1 = 3 km.Incorrect
Let the total distance be 3x km.
Then, x/3 + x/4 + x/5 = 47/60
47x/60 = 47/60 => x = 1.
Total distance = 3 * 1 = 3 km. -
Question 50 of 50
50. Question
Find the one which does not belong to that group ?
Correct
Walk, Talk, Drink and Lick are verbs, but not Plank.
Incorrect
Walk, Talk, Drink and Lick are verbs, but not Plank.