HARD
6th CBSE
IMPORTANT
Earn 100

Write the smallest digit and the greatest digit in the blank space of each of the following numbers so that the number formed is divisible by 3:

4765_____2

Important Questions on Playing with Numbers

HARD
6th CBSE
IMPORTANT

Write a digit in the blank space of each of the following numbers so that the number formed is divisible by 11.

92_389

HARD
6th CBSE
IMPORTANT

Write a digit in the blank space of each of the following numbers so that the number formed is divisible by 11.

8_9484

MEDIUM
6th CBSE
IMPORTANT

Here are two different factor trees for 60. Write the missing numbers.

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MEDIUM
6th CBSE
IMPORTANT

Here are two different factor trees for 60. Write the missing numbers.

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HARD
6th CBSE
IMPORTANT

HCF of co-prime numbers 4 and 15 was found as follows by factorization:

4=2×2 and 15=3×5 since there is no common prime factor, so HCF of 4 and 15 is 0. Is the answer correct? If not, what is the correct HCF?

HARD
6th CBSE
IMPORTANT
The length, breadth and height of a room are 825 cm675 cm, and 450 cm respectively. Find the longest tape which can measure the dimensions of the room exactly.
MEDIUM
6th CBSE
IMPORTANT
Find the least number which when divided by 6, 15 and 18 leave the remainder 5 in each case.
HARD
6th CBSE
IMPORTANT

The number of distinct prime factors of the smallest 5-digit number is: