model 2 find lcm of numbers Practice Questions Answers Test with Solutions & More Shortcuts

Question : 36 [SSC CPO 2016]

The LCM of four consecutive numbers is 60. The sum of the first two numbers is equal to the fourth number. What is the sum of four numbers?

a) 24

b) 21

c) 14

d) 17

Question : 37 [SSC CGL 2011]

The least number which when divided by 16, 18, 20 and 25 leaves 4 as remainder in each case but when divided by 7 leaves no remainder is

a) 18004

b) 18002

c) 18000

d) 17004

Question : 38 [SSC CGL Tier-1 2011]

Three bells ring simultaneously at 11a.m. They ring at regular intervals of 20 minutes, 30 minutes, 40 minutes respectively. The time when all the three ring together next is

a) 1.30 p.m.

b) 1.15 p.m.

c) 1 p.m.

d) 2 p.m.

Question : 39

The number nearest to 10000, which is exactly divisible by each of 3, 4, 5, 6, 7 and 8, is :

a) 10000

b) 9996

c) 10080

d) 9240

Question : 40

A number which when divided by 10 leaves a remainder of 9, when divided by 9 leaves a remainder of 8, and when divided by 8 leaves a remainder of 7, is :

a) 1359

b) 359

c) 539

d) 1539