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6th Tamil Nadu Board
IMPORTANT
Earn 100

The LCM of two numbers is 210 and their HCF is 14. How many such pairs are possible?

Important Questions on Numbers

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6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.2>Q 9
The LCM of two numbers is 6 times their HCF. If the HCF is 12 and one of the numbers is 36, then find the other number.
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6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.2>Q 10
Which of the following pairs is co-prime?
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6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.2>Q 11
The greatest 4 digit number which is exactly divisible by 8,9 and 12 is
HARD
6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.2>Q 12
The HCF of two numbers is 2 and their LCM is 154 . If the difference between the numbers is 8, then the sum is 
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6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.2>Q 13
Which of the following cannot be the HCF of two numbers whose LCM is 120 ?
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6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.3>Q 1
Every even number greater than 2 can be expressed as the sum of two prime numbers. Verify this statement for every even number up to 16.
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6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.3>Q 2
Is 173 a prime number? Why?
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6th Tamil Nadu Board
IMPORTANT
Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.3>Q 3
For which of the numbers, from n=2 to 8, is 2n-1 a prime number?