model 3 find hcf of numbers Practice Questions Answers Test with Solutions & More Shortcuts

Question : 1 [SSC CGL 2016]

The product of two 2–digit numbers is 2160 and their H.C.F. is 12. The numbers are

a) (60, 72)

b) (72, 30)

c) (12, 60)

d) (36, 60)

Question : 2 [SSC CGL 2012]

H.C.F of $2/3,4/5$and $6/7$ is

a) $24/105$

b) $2/105$

c) $48/105$

d) $1/105$

Question : 3 [SSC CAPFs 2014]

84 Maths books, 90 Physics books and 120 Chemistry books have to be stacked topicwise. How many books will be there in each stack so that each stack will have the same height too ?

a) 21

b) 18

c) 12

d) 6

Question : 4

Let N be the greatest number that will divide 1305, 4665 and 6905 leaving the same remainder in each case. Then, sum of the digits in N is :

a) 8

b) 5

c) 4

d) 6

Question : 5 [SSC CHSL 2014]

There are 24 peaches, 36 apricots and 60 bananas and they have to be arranged in several rows in such a way that every row contains the same number of fruits of only one type. What is the minimum number of rows required for this to happen ?

a) 6

b) 9

c) 12

d) 10