100+ HCF and LCM Questions and Answers for SSC Exams - 2

Question: 6

The greatest integer that divides 358, 374, 334 leaving the same remainder in each case is

(A) 5

(B) 6

(C) 7

(D) 9

Question: 7

The L.C.M. of three different numbers is 120. Which of the following cannot be their H.C.F.?

(A) 8

(B) 12

(C) 24

(D) 35

Question: 8

The greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm, 12 m 95 cm is

(A) 25 cm

(B) 35 cm

(C) 45 cm

(D) 55 cm

Question: 9

A rectangular courtyard 3.78 metres long and 5.25 metres wide is to be paved exactly with square tiles, all of the same size. What is the largest size of the tile which could be used for the purpose?

(A) 7 cm

(B) 14 cm

(C) 21 cm

(D) 42 cm

Question: 10

The least number of five digits which is exactly divisible by 12, 15 and 18 is

(A) 10010

(B) 10070

(C) 10080

(D) 10090