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find mentally find two numbers whose L....

find mentally find two numbers whose L.C.M. is 12 and their sum is 10.

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JNAN PUBLICATION-Revision of Previous Lessons-EXAMPLE
  1. find mentally think and find 2 digit numbers which are multiples of 4.

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  2. find mentally three numbers which are the factors of 4 .

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  3. find mentally find two numbers whose L.C.M. is 12 and their sum is 10...

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  4. What are the prime factors of 14.

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  5. What is the least prime number?

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  6. Which number is neither prime nor composite?

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  7. 42 is multiple of which of the following numbers-

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  8. Which of the following numbers has 11 as a factor

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  9. take another number 12. let us find out from table , which number have...

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  10. let us find which number have 2 as one of their multiples.

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  11. find which number have 6 as their multiples and mark it red.

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  12. Which of the following pairs of numbers are mutually prime— 5, 7

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  13. Which of the following pairs of numbers are mutually prime— 10, 21

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  14. Which of the following pairs of numbers are mutually prime— 10, 15

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  15. Which of the following pairs of numbers are mutually prime— 16, 15

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  16. find LCM of the following by division method— 25, 35, 45

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  17. find two composite numbers which are mutually prime.

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  18. HCF of mutually prime numbers

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  19. LCM of mutually prime numbers

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  20. Finding prime factors and then, Let’s find HCF of the following— 22,...

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