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from note down 20 composite number, 5 pr...

from note down 20 composite number, 5 prime number 15 even numbers.

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JNAN PUBLICATION-Revision of Previous Lessons-EXAMPLE
  1. 2 is square(prime/composet) number. Every even number is a multiple of...

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  2. from note down 20 composite number, 5 prime number 15 even numbers.

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  3. from note down 20 composite number, 5 prime number 15 even numbers.

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  4. find the prime numbers between 101 to 200 and note down.

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  5. Find HCF of 12, 18, and 30?

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  6. An educational trip to Gadiyara had been arranged by our school for co...

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  7. find HCF of 65, 25 and 55

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  8. find HCF of 48, 80, and 70

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  9. HCF of 15 and 16

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  10. find HCF of 25, 35 and 60 by the method of Division.

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  11. find LCM of 12, 18 and 24 by finding their prime factors.

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  12. find the least number, which is divisible by 8 and 9. Let’s find LCM o...

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  13. At 5 in the morning, 3 cocks crowed together. The first cock crows aft...

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  14. find the prime factors of 36, 30, 48 and then find their L.C.M.

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  15. The L.C.M of 36, 30 and 48

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  16. find mentally 6 multiples of 5 which do not contain ‘0’.

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  17. find mentally find 3 multiples of 7 which are greater than 50 .

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  18. find mentally think and find 2 digit numbers which are multiples of 4.

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

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

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