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The sum of n terms of an A.P. is 136, th...

The sum of n terms of an A.P. is 136, the common difference is 4 and the last term is 31, find the number of terms.

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MBD-ARITHMETIC PROGRESSION-EXERCISE
  1. How many terms of the A.P. 9, 6, 3, 0, -3, ... will be needed to give ...

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  2. How many terms of the A.P.- 6,(-11)/2,-5, (-9)/2... are needed to give...

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  3. The sum of n terms of an A.P. is 136, the common difference is 4 and t...

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  4. Find the sum of 40 terms of an A.P. whose third term is 1 and 6th term...

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  5. Determine an A.P. whose nth term is an=3n^2+5n .

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  6. Find last term of an A.P. whose sum is 148 and A.P. is 1,6, 11, 16, .....

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  7. Find the sum of all the four digit numbers which are divisible by 29.

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  8. How many three digit numbers leave remainder 2 when divided by 9. Also...

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  9. The first term of an A.P. is 5 and 100th term is - 292. Find the 50th ...

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  10. The sum of n terms of an A.P. whose first term is 5 and common differe...

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  11. How many numbers between 10 and 200 are exactly divisible by 7 ? Find ...

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  12. If the sum of n terms of two A.P.s are in the ratio 7n + 1 : 4n + 27. ...

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  13. A man borrows $ 1,000 and agrees to repay with a total interest of $ 1...

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  14. The rate at which monthly salary of a person increases annually is in ...

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  15. Aman arranges to pay a debt of $90000 in 40 monthly instalments which ...

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  16. A sum of $1000 is invested at 8% simple interest per annum. Calculate ...

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  17. Find the sum of all even integers between 101 and 999.

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  18. After being set up, a company manufactured 6000 scooters in the 3rd ye...

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  19. After being set up, a company manufactured 6000 scooters in the 3rd ye...

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