ICSE Skills In Mathematics>Chapter 3 - Number Systems>EXERCISE 3(A)>Q 12

EASY

8th ICSE

IMPORTANT

Earn 100

Write down all the three digit numbers between $450$ and $500$ , using the digits $4, 6, 7$ and $8$ with repetition only.

Important Questions on Number Systems

EASY

8th ICSE

IMPORTANT

ICSE Skills In Mathematics>Chapter 3 - Number Systems>EXERCISE 3(B)>Q 1

Given that

4752 = a \times 2^{b} \times 3^{c}

, find the values of

a, b

and

c

.

MEDIUM

8th ICSE

IMPORTANT

ICSE Skills In Mathematics>Chapter 3 - Number Systems>EXERCISE 3(B)>Q 2

Given that

17500 = a \times 2^{b} \times 5^{c}

, find the values of

a, b

and

c

.

MEDIUM

8th ICSE

IMPORTANT

ICSE Skills In Mathematics>Chapter 3 - Number Systems>EXERCISE 3(B)>Q 3

What least number should be added to

31074

in order to make it a multiple of

9

?

MEDIUM

8th ICSE

IMPORTANT

ICSE Skills In Mathematics>Chapter 3 - Number Systems>EXERCISE 3(B)>Q 4

What least number should be subtracted from

501238

in order to make it a multiple of

9

?

MEDIUM

8th ICSE

IMPORTANT

ICSE Skills In Mathematics>Chapter 3 - Number Systems>EXERCISE 3(B)>Q 5

What should be the least value of

x

in

2537 x 6

in order to make it divisible by

11

?

MEDIUM

8th ICSE

IMPORTANT

ICSE Skills In Mathematics>Chapter 3 - Number Systems>EXERCISE 3(B)>Q 6

Find the greatest

3

-digit number divisible by

12, 18

and

30

.

MEDIUM

8th ICSE

IMPORTANT

ICSE Skills In Mathematics>Chapter 3 - Number Systems>EXERCISE 3(B)>Q 7

Find the least

4

-digit number divisible by

10, 20, 25

and

30

.

MEDIUM

8th ICSE

IMPORTANT

ICSE Skills In Mathematics>Chapter 3 - Number Systems>EXERCISE 3(B)>Q 8

Find the HCF of

475, 600, 950

.