EASY
6th Tamil Nadu Board
IMPORTANT
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The number of distinct prime factors of 105 is 3.

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Important Questions on Numbers

MEDIUM
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.1>Q 3
Write the smallest and the biggest two digit prime number.
EASY
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.1>Q 4
Write the smallest and the biggest three digit composite number
EASY
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.1>Q 5
The sum of any three odd natural numbers is odd. Justify this statement with an example.
HARD
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.1>Q 6
The digits of the prime number 13 can be reversed to get another prime number 31. Find if any such pairs exist up to 100 .
EASY
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.1>Q 7
Your friend says that every odd number is prime. Give an example to prove him/her wrong.
EASY
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.1>Q 8
Each of the composite numbers has atleast three factors. Justify this statement with an example.
MEDIUM
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.1>Q 9
Find the dates of any month in a calendar which are divisible by both 2 and 3.
EASY
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.1>Q 10
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?