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.

$270,450$

Important Questions on HCF and LCM

HARD

6th CBSE

IMPORTANT

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

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

$576,720$

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?