EASY
6th Tamil Nadu Board
IMPORTANT
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I am a two digit prime number and the sum of my digits is 10. I am also one of the factors of 57. Who am I?

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Important Questions on Numbers

MEDIUM
6th Tamil Nadu Board
IMPORTANT

Find the prime factorisation of given number by factor tree method and division method.

60

MEDIUM
6th Tamil Nadu Board
IMPORTANT

Find the prime factorisation of given number by factor tree method and division method.

128

MEDIUM
6th Tamil Nadu Board
IMPORTANT

Find the prime factorisation of given number by factor tree method and division method.

144

MEDIUM
6th Tamil Nadu Board
IMPORTANT

Find the prime factorisation of given number by factor tree method and division method.

198

MEDIUM
6th Tamil Nadu Board
IMPORTANT

Find the prime factorisation of given number by factor tree method and division method.

420

MEDIUM
6th Tamil Nadu Board
IMPORTANT

Find the prime factorisation of given number by factor tree method and division method.

999

EASY
6th Tamil Nadu Board
IMPORTANT
If there are 143 math books to be arranged in equal numbers in all the stacks, then find the number of books in each stack and also the number of stacks.
EASY
6th Tamil Nadu Board
IMPORTANT
The difference between two successive odd numbers is