MEDIUM
6th Tamil Nadu Board
IMPORTANT
Earn 100

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

420

Important Questions on Numbers

MEDIUM
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.1>Q 11

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

999

EASY
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.1>Q 12
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
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.1>Q 13
The difference between two successive odd numbers is
EASY
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.1>Q 14
Which is the only even prime number?
EASY
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.1>Q 15
Which of the following numbers is not a prime?
EASY
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.1>Q 16
The sum of the factors of 27 is
EASY
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.1>Q 17
The factors of a number are 1, 2, 4, 5, 8, 10, 16, 20, 40 and 80. What is the number?
EASY
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.1>Q 18
The prime factorisation of 60 is 2×2×3×5. Any other number which has the same prime factorisation as 60 is