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

Question : 6 [SSC Constable 2012]

A milk vendor has 21 litres of cow milk, 42 litres of toned milk and 63 litres of double toned milk. If he wants to pack them in cans so that each can contains same litres of milk and does not want to mix any two kinds of milk in a can, then the least number of cans required is

a) 12

b) 6

c) 3

d) 9

Question : 7

In a school, 391 boys and 323 girls have been divided into the largest possible equal classes, so that each class of boys numbers the same as each class of girls. What is the number of classes ?

a) 17

b) 19

c) 23

d) 44

Question : 8 [SSC SO 2006]

The greatest number, by which 1657 and 2037 are divided to give remainders 6 and 5 respectively, is

a) 305

b) 133

c) 127

d) 235

Question : 9

What is the least number of square tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad?

a) 814

b) 841

c) 840

d) 820

Question : 10 [SSC CAPFs SI, 2015]

The greatest number by which 2300 and 3500 are divided leaving the remainders of 32 and 56 respectively, is

a) 84

b) 168

c) 136

d) 42