Math Sight>Chapter 3 - HCF and LCM>Exercise>Q 3

HARD

6th CBSE

IMPORTANT

Earn 100

Find the HCF and the LCM of the following numbers and verify that the product of numbers $=$ HCF $\times$ LCM.

$576,720$

Important Questions on HCF and LCM

MEDIUM

6th CBSE

IMPORTANT

Math Sight>Chapter 3 - HCF and LCM>Exercise>Q 4

The product of two numbers is

15870

and their HCF is

23

. Find their LCM.

MEDIUM

6th CBSE

IMPORTANT

Math Sight>Chapter 3 - HCF and LCM>Exercise>Q 5

The HCF of two numbers is

54

and their LCM is

3888 .

If one of the numbers is

432,

find the other number.

MEDIUM

6th CBSE

IMPORTANT

Math Sight>Chapter 3 - HCF and LCM>Exercise>Q 6

The product of two numbers is

414720

and their HCF is

144

. Find their LCM.

MEDIUM

6th CBSE

IMPORTANT

Math Sight>Chapter 3 - HCF and LCM>Exercise>Q 7

Find the least number which is exactly divisible by

18, 24

and

36

.

HARD

6th CBSE

IMPORTANT

Math Sight>Chapter 3 - HCF and LCM>Exercise>Q 8

Find the least number which is exactly divisible by

32, 36, 40

and

45

.

HARD

6th CBSE

IMPORTANT

Math Sight>Chapter 3 - HCF and LCM>Exercise>Q 9

Find the lowest natural number which when divided by

112, 140

and

168

leaves a remainder

8

in each case.

HARD

6th CBSE

IMPORTANT

Math Sight>Chapter 3 - HCF and LCM>Exercise>Q 10

Three bells ring at intervals of

15, 20

and

30

minutes. If they all ring at

12

noon together, at what time will they ring together again?

MEDIUM

6th CBSE

IMPORTANT

Math Sight>Chapter 3 - HCF and LCM>Exercise>Q 11

Two ropes

16 m

and

20 m

long are to be cut into small pieces of equal lengths. What will be the maximum length of each piece?