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AVERAGE
AVERAGE QUANTITATIVE APTITUDE MOCK TEST SET 6
January 17, 2016
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1) The average of three number is 42. If the numbers are in the ratio of 3:2:1 , the smallest number is
(a)36
(b)24
(c )21
(d)24

Answer

c

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2) Average of 11 numbers 42. On including twelfth number the average becomes 45. The twelfth number is
(a)48
(b)72
(c )75
(d)78

Answer

d

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3) The average of first 61 natural numbers is
(a)30
(b)30.5
(c )31
(d)None

Answer

c

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4) A man arrives to his office at 60km/h and returns home along the same route at 30km/h. Find the average speed?
(a)50km/h
(b)45km/h
(c )30km/h
(d)40km/h

Answer

d

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5) The average of three items of furniture is Rs. 15000. If their prices are in the ratio 3:5:7 the price of the cheapest item is:
a)Rs 9000
b)Rs.15000
(c )Rs 18000
(d)Rs 21000

Answer

a

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6) A cricketer has certain average for 9 innings. In the 10th inning he scores 100 runs, there by increasing his average by 8 runs. His new average is?
a)20
b)24 runs
(c )28 runs
(d) 32 runs

Answer

c

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7 )The average of three numbers is 20. If two numbers are 18 and 20 , the third is:
(a)22
(b)20
(c )19
(d)18

Answer

a

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8) The average weight of 24 students of section A of a class is 58 kg whereas the average weight of 26 students of section B of the same class is 60.5 . Find the average weight of all the 50 students of the class?
(a)59.3
(b)60.3
(c )79.3
(d)49.3

Answer

a

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9) The average of eight numbers is 14. The average of six of these numbers is 16. The average of the remaining two numbers is:
(a)6
(b)12
(c )8
(d)10

Answer

c

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10) The average weight of 10 men is increased by 2 kg when one of the men who weighs 45 kg is replaced by a new man. The weight of the new man is;
(a)75kg
(b)80kg
(c )74kg
(d)65 kg

Answer

d

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