Q.1 ) In a class of 25 students , 10 students had an average score of 80 and remaining had an average of 60.What is the average score of the class ?

a) 70

b) 12

c) 68

d) 20

Q.2 ) A shopkeeper sells two items at the same price .If he sells one of them at a profit of 10% and the other at a loss of 10%, then his profit or loss percentage is

a) profit 10%

b) loss 10%

c) profit 1%

d) loss 1%

Q.3 ) The sum of all prime numbers between 20 and 60 is

a) 320

b)326

c) 357

d) 363

Q.4 ) Find the next term in the sequence : 36,34,30,28,24,?.

a) 20

b) 22

c) 23

d) 26

Q.5 ) If 16% of a number is same as 12% of 48 , then find the number

a) 24

b) 36

c) 32

d) 40

Q.6 ) The product of four consecutive natural number plus one is

a) always sum of two square numbers

b) a non square.

c) a square.

d) None of the above

Q.7) A train takes 9 seconds to cross a pole .If the speed of the train is 48 km/hr ,the length of the train is

a) 150m

b) 120m

c) 90m

d) 80m

Q.8) If A:b =2:3 , B:C = 5:7 and C:D =3:10 , then what is A:D equal to

a) 1 :7

b) 2:7

c) 1:5

d) 5 :1

Q.9) Consider the following sequence 1 , -2, 3,-4,5,-6…….. 200 . Find the average of the given sequence .

a) 0

b) 1

c) 0.5

d) -0.5

Q.10 ) Find the number of trailing zeros in the following expression : 15*32*25*22*40*75*98*112*125

a) 5

b) 4

c) 6

d) 7

Q.11) If f(x) = 2x + 2 , then find f(f(f(3)))

a) 0.5

b) 18

c) 36

d) 38

Q.12) If f(p) =7p +12 , then find inverse of f(p)

Q.13 ) The sum of the digits of a two numbers is 12 .If the new number formed by reversing the digits is greater then the original number by 54 , then the original number is

a ) 39

b) 57

c) 93

d) 48

e) 75

Q.14) Find the H.C.F. of 3/4 , 5/6 , 2/3 .

a) 3/21

b) 2/21

c) 1/42

d) 5/42

Q.15) The H.C.F of two number is 12 and their difference is also 12 .The numbers are

a) 12,84

b) 84,96

c) 64,76

d) 100,112

Q.16 ) In a group of cows and hens , the number of legs are 14 more than twice the number of heads .The number of cows in the group is

a) 5

b) 7

c) 10

d) 12

Q.17 ) A number divided by 899 gives a remainder of 63 . If the number is divided by 29, then the remainder will be

a) 2

b) 5

c) 13

d) 28

Q.18 ) Find the average of first 70 natural numbers.

Q.19 ) Find the average of first 20 multiples of 7.

Q.20 ) The average of seven numbers is 18 .The average of first three numbers is 14 and the average of last three numbers is 19 .What is the 4th number ?

a) 54

b) 27

c) 26

d) None of these

Q.21 ) In a class, the average age of 30 boys is 13 years and the average age of 20 girls is 12 years . What is the average age of the whole class ?

a ) 3

b ) 12.6

c) 15.12

d ) 12.3

Q.22 ) A student travels at 60 km/ hr from his college to home and returns at 100 km/hr.Find his average speed .

a) 80 kmph

b) 37.5 kmph

c) 75 kmph

d) 160 kmph

Q.23 ) Find the last two digits of 21 raised to the power 3.

a) 51

b) 61

c) 15

d) 81

Q.24 ) Find the number of zeros in 112 !

Note : ” ! ” is factorial representation

a) 28

b) 22

c) 27

d) 26

Q.25 ) Which of the following numbers is completely divisible by 45 ?

a) 181560

b) 331145

c) 202860

d) 203550

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