MATHEMATICS CLASS X>Chapter 1 - Real Numbers>EXERCISE 1.4>Q 5

MEDIUM

10th CBSE

IMPORTANT

Earn 100

The $HCF$ of two numbers is $145$ and their $LCM$ is $2175$ . If one number is $725$ , find the other.

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Important Questions on Real Numbers

MEDIUM

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 1 - Real Numbers>EXERCISE 1.4>Q 6

The

HCF

of two numbers is

16

and their product is

3072

. Find their

LCM

.

MEDIUM

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 1 - Real Numbers>EXERCISE 1.4>Q 7

The

LCM

and

HCF

of two numbers are

180

and

6

respectively. If one of the numbers is

30

, find the other number.

HARD

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 1 - Real Numbers>EXERCISE 1.4>Q 8

Find the smallest number which when increased by

17

is exactly divisible by both

520

and

468

.

HARD

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 1 - Real Numbers>EXERCISE 1.4>Q 9

Find the smallest number which leaves remainders $8$ and $12$ when divided by $28$ and $32$ respectively.

MEDIUM

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 1 - Real Numbers>EXERCISE 1.4>Q 10

What is the smallest number, that when divided by

35, 56

and

91

, leaves remainders of

7

in each case?

HARD

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 1 - Real Numbers>EXERCISE 1.4>Q 11

A rectangular courtyard is $18 m 72 cm$ long and $13 m 20 cm$ broad. It is to be paved with square tiles of the same size. Find the least possible number of such tiles. (Write the numerical value as the final answer).

HARD

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 1 - Real Numbers>EXERCISE 1.4>Q 12

Find the greatest number of

6

digits exactly divisible by

24, 15

and

36

.

EASY

10th CBSE

IMPORTANT

MATHEMATICS CLASS X>Chapter 1 - Real Numbers>EXERCISE 1.4>Q 13

Determine the number nearest to

110000

but greater than

100000

which is exactly divisible by each of

8, 15

and

21

.