100+ LCM and HCF Questions and Answers for Bank Exams - 1

Question: 1

The LCM of three different numbers is 120. Which of the following cannot be their HCF?

(A) 8

(B) 12

(C) 24

(D) 35

Question: 2

The H.C.F of two numbers is 12 and their difference is 12. The numbers are

(A) 94, 106

(B) 84, 96

(C) 70. 82

(D) 66, 78

Question: 3

Find the greatest number which will divide 25, 73 and 97 so as to leave the same remainder in each case.

(A) 12

(B) 18

(C) 24

(D) 32

Question: 4

Three different containers contain different quantities of mixture milk and water, whose measurements are 403 Kg, 434 Kg and 465 Kg. What biggest measure must be there to measure all the different quantities exactly?

(A) 1 Kg

(B) 7 Kg

(C) 14 Kg

(D) 31 Kg

Question: 5

21 mango trees, 42 apple trees and 56 orange trees have to be planted in rows such that each row contains the same number of tress of one variety only. Minimum number of rows in which the trees may be planted is

(A) 2

(B) 5

(C) 12

(D) 17