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Can we conclude 10^(2n)-1 is divisible b...

Can we conclude `10^(2n)-1` is divisible by both 9 and 11? Explain. Is `10^(2n+1)-1` is divisible by 11 or not? Explain.

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VGS PUBLICATION-BRILLIANT-PLAYING WITH NUMBER -EXERCISE
  1. Is every even number of palindrome is divisible by '11'?

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  2. Is 10^1000-1 divisible by both 9 and 11?

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  3. Can we conclude 10^(2n)-1 is divisible by both 9 and 11? Explain. Is 1...

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  4. Take any two digit number three times to make a 6-digit number. Is it ...

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  5. Take any three digit number and write it two times to make a 6-digit n...

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  6. Check whether 456456456456 in divisible by 7,11 and 13.

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  7. Take a three digit number in which all digits are same. Divide the num...

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  8. Is 2^3+3^3 is divisible by (2 + 3) or not?

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  9. Verify a^5+b^5 is divisible by (a+b) by taking different natural numbe...

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  10. Find the sum of integers which are divisible by 5 from 1 to 100.

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  11. Find the sun of Integers which are divisible by 2 from 11 to 50.

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  12. Find the sum of integers which are divisible by 2 and 3 from 1 to 50.

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  13. (n^3-n) is divisible by 3. Explain the reason.

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  14. Sum of 'n' odd number of consecutive numbers is divisible by tn. Expla...

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  15. Is1^2+2^2+3^2+4^2divisible by 5Explain.

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  16. Rahul's father wants to deposit some amount of money every year on the...

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  17. Find the sum of Integers from 1 to 100 which are divisible by 2 or 5.

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  18. Find the sum of Integers from 11 to 1000 which are divisible by 3.

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  19. Which of the following is divisible by 2?

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  20. Which of the following is divisible by 3?

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