Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>EXERCISE>Q 6

MEDIUM

10th CBSE

IMPORTANT

Earn 100

Given that $HCF (306, 657) = 9,$ find $LCM$ of $306$ and $657 .$

80% studentsanswered this correctly

Important Questions on Real Numbers

MEDIUM

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>EXERCISE>Q 7

Find the HCF and LCM of the following positive integers by applying the prime factorisation method.

$24, 36, 176$

MEDIUM

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>EXERCISE>Q 7

Find the HCF and LCM of the following positive integers by applying the prime factorisation method.

84, 90, 120

MEDIUM

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>EXERCISE>Q 7

Find the HCF and LCM of the following positive integers by applying the prime factorisation method.

112, 144, 168

MEDIUM

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>EXERCISE>Q 8

HCF of two numbers is

16

and their product is

3072

. Find their LCM.

MEDIUM

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>EXERCISE>Q 9

Find the smallest number which when divided by

35, 56

and

91

leaves remainder

7

in each case.

MEDIUM

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>EXERCISE>Q 10

Find the smallest number which when increased by

11

is exactly divisible by

15, 20, 54 .

MEDIUM

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>EXERCISE>Q 11

Find the greatest number of

6

digits exactly divisible by

24, 15

and

36 .

MEDIUM

10th CBSE

IMPORTANT

Modern's abc+ of Mathematics for Class 10>Chapter 1 - Real Numbers>EXERCISE>Q 12

Can two positive numbers have

28

and

812

as their

HCF

and

LCM

respectively.