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MATHEMATICS QUESTION ASKED IN RBI ASSISTANT 2017

Directions (36-40): Given below, the bar graph shows number of three type of markers sold by five
different sellers. Study the data carefully & answer the following questions.


Q.Q36 Total markers sold by Deepak is what percent less than the total markers sold by Inder?
(a) 25%
(b) 33 1/3%
(c) 50%
(d) 66 2/3%
(e) 75%
Q37. Find the ratio of ‘Y’ type marker sold by all the five sellers together to ‘Z’ type marker sold by
all the five sellers together?
(a) 23 : 22
(b) 22 : 23
(c) 65 : 66
(d) 66 : 65
(e) 33 : 32
Q38. Average number of marker sold by Yogesh is how much more than average number of marker
sold by Aman?
(a) 50
(b) 100
(c) 150
(d) 200
(e) 250

Q39. ‘X’ type marker sold by Yogesh, Shubham and Aman together is what percent less than ‘Z’ type
marker sold by Yogesh, Shubham and Inder together?
(a) 33 1/3%
(b) 26 2/3%
(c) 25%
(d) 20%
(e) 16 2/3%
Q40. Total number of markers sold by Deepak, Yogesh and Aman together is how much more than
total number of markers sold by Shubham and Inder?
(a) 150
(b) 250
(c) 350
(d) 450
(e) 550
Directions (41-45): What will come in place of the question mark (?) in the following number
series?
Q41. 16, 20, 28, 44, ?
(a) 82
(b) 76
(c) 60
(d) 52
(e) 96
Q42. 2, 11, 36, 85, ?, 287
(a) 163
(b) 166
(c) 170
(d) 185
(e) 206
Q43. 8, 6, 14, 40, ?
(a) 151
(b) 148
(c) 80
(d) 162
(e) 98

Q44. 3, 83, 152, 208,249 , ?
(a) 280
(b) 320
(c) 265
(d) 351
(e) 273
Q45. 2, 14, 70, ?, 420
(a) 190
(b) 320
(c) 210
(d) 200
(e) 315
Q46. A, B and C started a business with Rs 60,000. Amount invested by ‘A and C’ together is twice
than that of ‘B’ while amount invested by ‘A’ and ‘B’ together is thrice then that of ‘C’. ‘A’ invested for 6 months, ‘B’ for 9 months and ‘C’ for a year. Find the share of ‘B’ out of total profit of Rs 3400.(in
Rs.)
(a) 1200
(b) 1800
(c) 1000
(d) 1400
(e) 1500
Q47. The population of a village is 4500. If number of males increases by 15% and number of
females increases by 25% then the population of village become 5325. Number of males is what
percent of the Number of females in the village.
(a) 100%
(b) 125%
(c) 150%
(d) 175%
(e) 200%
Q48. A spherical cannon ball of diameter 24 cm is melted and casted into two cylinders of equal size
and shape having base radius 8 cm. Find the height of each cylinder?
(a) 36 cm
(b) 18 cm
(c) 32 cm
(d) 20 cm
(e) 16 cm

Q49. A man can row 30 km upstream and 44 km downstream in 10 hours. It is also known that he
can row 40 km upstream and 55 km downstream in 13 hours. Find the speed of the man in still
water.
(a) 10 km/hr
(b) 8 km/hr
(c) 12 km/hr
(d) 14 km/hr
(e) 16 km/hr
Q50. A mixture contains wine and water in the ratio 5 : 1. On adding 5 litre of water, the ratio of
wine to water becomes 5 : 2. The quantity of wine in the mixture is ?
(a) 20 l
(b) 22 l
(c) 24 l
(d) 26 l
(e) 25 l
Q51. ‘X’, ‘Y’ and ‘Z’ together can complete a work in one day. ‘X’ and ‘Z’ together can do same work as ‘Y’ alone do while ‘Y’ and ‘Z’ together can do five time as much work as ‘X’ do alone. Find the time taken by ‘Z’ to complete the work.
(a) 2 days
(b) 3 days
(c) 4 days
(d) 6 days
(e) 1 days
Q52. Cost price of a bat and a ball is Rs. 75. Retailer sold bat at 40% profit and ball at 60% loss. Find
the cost price of bat if in whole transaction he earns Rs. 20 as profit?
(a) Rs.60
(b) Rs.65
(c) Rs.55
(d) Rs.50
(e) Rs.45
Q53. Aman starts from point A at 2 : 00 pm and move towards point B at a speed of 25 km/hr while
Sandeep leave point B at 4 : 00 pm and move towards point A at a speed of 35 km/hr speed. If
distance between A and B is 410 km, then at what time Aman and Sandeep cross each other?
(a) 7: 00 p.m.
(b) 8 : 00 p.m.
(c) 9 : 00 p.m.
(d) 10 : 00 p.m.
(e) 11 : 00 p.m.

Q54. Difference between CI and SI on a sum for 3 year at 20% p.a. is 176, Find the simple interest
on the sum after 2 year at 10% p.a.?
(a) 225
(b) 250
(c) 275
(d) 300
(e) 350
Q55. How many 4 digits number can be formed using 2, 3, 5, 7, 6 and 9 if the number should be
divisible by ‘4’ and repetition is not allowed?
(a) 120
(b) 96
(c) 160
(d) 64
(e) 296
Directions (56-65): What should come in place of question mark (?) in the following questions?
Q56. 𝟐𝟔𝟓𝟐 − 𝟒𝟒𝟏 + 𝟗𝟐𝟖 − 𝟔 𝟐/𝟑
% 𝐨𝐟 𝟑𝟑𝟕𝟓 = ? +(𝟑𝟏)
𝟐
(a) 1953
(b) 1853
(c) 1825
(d) 1935
(e) 1950
Q57. (𝟑𝟎𝟖𝟎 + 𝟔𝟏𝟔𝟎) ÷ ? = 𝟑𝟑𝟎
(a) 27
(b) 25
(c) 28
(d) 24
(e) 23
Q58. 𝟓
𝟏𝟓
𝟏𝟕
% 𝐨𝐟 𝟒𝟗𝟏𝟑 − (𝟏𝟓)
𝟐 = (? )
𝟐
(a) 9
(b) 11
(c) 7
(d) 6
(e) 8
Q59. ? × (𝟓𝟐𝟑. 𝟓 + 𝟔𝟖𝟕. 𝟓) = 𝟐𝟒𝟐𝟐𝟎.
(a) 31
(b) 20
(c) 42
(d) 18
(e) 24

Q60. (𝟐𝟕𝟐 − 𝟑𝟐) × (𝟏𝟐𝟒 + 𝟏𝟕𝟔) ÷ (𝟏𝟕 × 𝟏𝟓– 𝟏𝟓) = ? +𝟏𝟓 × 𝟏𝟔
(a) 50
(b) 65
(c) 72
(d) 60
(e) 55
Q61. 125% of 92 – √𝟒𝟎𝟗𝟔 𝟑 + ? = √𝟏𝟎𝟐𝟎𝟏
(a) 5
(b) 2
(c) 4
(d) 3
(e) 9
Q62. 𝟑
𝟏
𝟐
+ 𝟒
𝟑
𝟒
+ 𝟗
𝟑
𝟒
+ 𝟔
𝟕
𝟖
=? +𝟓
𝟑
𝟒
×
𝟏
𝟐
+ 𝟏𝟗
(a) 13
(b) 9
(c) 16
(d) 3
(e) 2
Q63. (𝟏𝟏𝟓𝟔)
𝟏/𝟐 − (𝟏𝟕𝟐𝟖)
𝟏/𝟑 + 𝟏𝟕𝟖 − (? )
𝟐 = √𝟐𝟎𝟐𝟓 + 𝟓𝟓
(a) 100
(b) 12
(c) 144
(d) 15
(e) 10
Q64. 𝟏𝟏𝟏 × 𝟑𝟔 – (𝟔𝟏)
𝟐 − (? )
𝟐 = 𝟑𝟏𝟓𝟎 − (𝟏𝟎)
𝟐 − 𝟑𝟎𝟎𝟎.
(a) 15
(b) 16
(c) 18
(d) 14
(e) 13
Q65. (𝟐𝟕𝟒𝟒)
𝟏/𝟑 + (𝟏𝟕)
𝟐 − 𝟑 = ? −𝟕𝟗 × 𝟖
(a) 930
(b) 938
(c) 918
(d) 994
(e) 932

Q66. The time taken by a boat to row 21 km with the stream is same as the time taken by it to row
12 km against the stream. If the speed of boat in still water is 5.5 kmph, find speed of stream ?
(a) 2 kmph
(b) 4 kmph
(c) 1.5 kmph
(d) 2.5 kmph
(e) 3.5 kmph
Q67. A and B can complete a piece of work in 6 days, B and C in 8 days and A and C together can
finish it in 12 days. If they work together and A leaves the work after 4 days, then how many days B
and C will take to complete the remaining work ?
(a) 4 days
(b) 5 days
(c) 3 days
(d) 6 days
(e) 2 days
Q68. A path of width 1.5 m is to be built around a rectangular park of length 12 m and breadth 9 m.
Find the area of the rectangular path
(a) 72 m2
(b) 60 m2
(c) 75 m2
(d) 80 m2
(e) 65 m2
Q69. Find the probability of selecting two face cards or two number cards from a pack of 52 cards?
(a) 61 : 77
(b) 121 : 212
(c) 60 : 121
(d) 116 : 221
(e) 125 : 221
Q70. If the population of city A increases by 10% and then decrease by 12% it becomes equal to
14 2/7% of city B’s population. Find the population of city A initially, if B’s population is 13,552?
(a) 2500
(b) 3000
(c) 2000
(d) 3200
(e) 2800