Simple Arithmatic

Arithmetic & Mental Ability – 35

In 100 m race, A covers the distance in 36 seconds and B in 45 seconds. In this race A beats B by:

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A man invests some money partly in 9% stock at 96 and partly in 12% stock at 120. To obtain equal dividends from both, he must invest the money in the ratio:
a) 3 : 4
b) 3 : 5
c) 4 : 5
d) 16 : 15
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A and B can do a piece of work in 12 days and 15 days respectively. They began to work together but A left after 4 days. In how many more days would B alone complete the remaining work?
a) 20
b) 25
c) 6
d) 5
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The diagonal of a rectangle is 41 cm and its area is 20 sq. cm. The perimeter of the rectangle must be:
a) 9 cm
b) 18 cm
c) 20 cm
d) 41 cm
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In 100 m race, A covers the distance in 36 seconds and B in 45 seconds. In this race A beats B by:
a) 20 m
b) 25 m
c) 22.5 m
d) 9 m
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In a cricket match, five batsman A, B, C, D and E scored an average of 36 runs. D scored 5 more than E. E scored 8 fewer than A, B scored as many as D and E combined and B and C scored 107 between them. How many runs did E score
a) 62
b) 45
c) 28
d) 20
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The mean weight of 100 students in a class is 46 kg. The mean weight of boys is 50 and of girls is 40 kg. The number of boys is:
a) 50
b) 60
c) 70
d) 65
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There are deer and peacocks in a Zoo. By counting heads they are 80. The number of their legs is 200. How many peacocks are there?
a) 20
b) 30
c) 50
d) 60
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A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue?
a) (10/21)
b) (11/21)
c) (2/7)
d) (5/7)
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The least number which when divided by 8, 9, 15, 24, 32 and 36 leaves remainder 3, 4, 10, 19, 27 and 31 respectively
a) 2675
b) 2875
c) 3075
d) 3275
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On selling an article 225/- a trader loses 10%. In order to gain 20%, he must sell the article for rupees.
a) 250
b) 280
c) 300
d) 325
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Find the next term of the letter series RUA, UBG, XIL, APP, DWS, …
a) PIT
b) GBM
c) GDU
d) PQL
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Select the one which is different from other three responses.
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If the length of a rectangle is 5 cm more than its breadth and its area is 24sq. cm, what will be its perimeter?
a) 11 cm
b) 30 cm
c) 22 cm
d) 60 cm
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IF ENGLAND is written as 1234526 and FRANCE is written as 785291. How will GREECE be written?
a) 391171
b) 391191
c) 832252
d) 835545
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Robert is travelling on his cycle and has calculated to reach point A at 2 P.M. if he travels at 10 kmph, he will reach there at 12 noon if he travels at 15 kmph. At what speed must he travel to reach A at 1 P.M.?
a) 8 Kmph
b) 11 kmph
c) 12 Kmph
d) 14 kmph
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A group of students decided to collect as many paise from each member of group as is the number of members. If the total collection amounts to Rs. 59.29, the number of the member is the group is:
a) 57
b) 67
c) 77
d) 87
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A man rows to a place 48 km distant and come back in 14 hours. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is:
a) 1 km/hr
b) 1.5 km/hr
c) 2 km/hr
d) 2.5 km/hr
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What should be subtracted from 32575 to make it exactly divisible by 9?
a) 1
b) 2
c) 3
d) 4
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Ayesha”s father was 38 years of age when she was born while her mother was 36 years old when her brother four years younger to her was born. What is the difference between the ages of her parents?
a) 2 years
b) 4 years
c) 6 years
d) 8 years
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Introducing Asha to guests, Bhaskar said ‘Her father is the only son of my father’. How is Asha related to Bhaskar?
a) Daughter
b) Mother
c) Sister
d) Niece
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If an angle is its own complementary angle, then its measure is
a) 80°
b) 45°
c) 60°
d) 90°
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If 'LIBERALIZATION' is coded as 34256134918470, then 'AERATION' can be coded as:
a) 15168470
b) 15186471
c) 15618470
d) 51618471
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A cricketer scored some runs in his 21st innings, as a result, his average runs increased by 3. If the present average run is 40, how many runs he scored in the final innings?
a) 103
b) 100
c) 85
d) 82
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An observer 1.6 m tall is 203 away from a tower. The angle of elevation from his eye to the top of the tower is 30º. The heights of the tower is:
a) 21.6 m
b) 23.2 m
c) 24.72 m
d) None of these
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The average of all odd numbers less than 100 is
a) 49.5
b) 50
c) 50.5
d) 51
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