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Solve : 25+22+19+16+...+x=115...

Solve : `25+22+19+16+...+x=115`

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Solve 2p+5=19

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If the sum of a certain number of terms of the A.P. 25, 22, 19.... is 116. Find the last term.

If the sum of a certain number of terms of the A.P. 25, 22, 19.... is 116. Find the last term.

Solve : 3x - 2 lt 19 or 3 - 2x ge - 7, x in R .

Solve : 3x+1=16

Solve : (x)/(7) +x=16

Solve : 3/(22)+7/(22)

Solve: {:(x + 8y = 19),(2x + 11y = 28):}

RD SHARMA ENGLISH-ARITHMETIC PROGRESSIONS-All Questions
  1. Find the sum of all integers between 100 and 550, which are divisible ...

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  2. Find the sum of the series : 3+5+7+6+9+12+9+13+17+\ to 3n terms.

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  3. Solve : 25+22+19+16+...+x=115

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  4. Solve: 1+4+7+10+...+x=590.

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  5. How many terms are there in the A.P. whose first and fifth terms are ...

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  6. The sum of first 7 terms of an A.P. is 10 and that of next 7 terms is ...

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  7. The third term of an A.P. is 7 and the seventh term exceeds three time...

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  8. The first term of an A.P.is 2 and the last term is 50. the sum of all ...

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  9. The number of terms of an A.P. is even, the sum of odd terms is 24, of...

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  10. If in an A.P, Sn=n^2p and Sm=m^2p, then Sp is equal to

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  11. If 12th term of an A.P. is -13 and the sum of the first four terms i...

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  12. If the 5th and 12th terms of an A.P. are 30 and 65 respectively, wha...

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  13. Find the sum of n terms of an A.P. whose kth terms is 5k+1.

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  14. Sum of all two digit numbers which when divided by 4 yield unity as re...

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  15. If the sum of a certain number of terms of the AP 25,22,19... is 116. ...

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

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  17. In an A.P. the first term is 2 and the sum of the first five terms is ...

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  18. If Sn=n P+(n(n-1))/2Q ,w h e r eSn denotes the sum of the first n term...

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  19. The sum of n terms of two arithmetic progressions are in the ratio 5n+...

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  20. If 2/3, k ,5/8 are in A.P., find the value of kdot

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