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6th Tamil Nadu Board
IMPORTANT
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The least number that should be added to 57 so that the sum is exactly divisible by 2, 3, 4 and 5 is .

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Important Questions on Numbers

MEDIUM
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.2>Q 2
The numbers 57 and 69 are co-primes.
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6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.2>Q 2
The HCF of 17 and 18 is 1.
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6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.2>Q 2
The LCM of two successive numbers is the product of the numbers.
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6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.2>Q 2
The LCM of two co-primes is the sum of the numbers.
MEDIUM
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.2>Q 2
The HCF of two numbers is always a factor of their LCM.
MEDIUM
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.2>Q 3

Find the HCF of the set of numbers 18, 24. 

MEDIUM
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.2>Q 3

Find the HCF of the set of numbers 51, 85.

EASY
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.2>Q 3

Find the HCF of the set of numbers 61,76.