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RD SHARMA-ARITHMETIC PROGRESSIONS-Solved Examples And Exercises
- Find the sum of the series : 3+5+7+6+9+12+9+13+17+.... +3n terms.
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- Solve : 25+22+19+16+...+x=115
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- Solve: 1+4+7+10++x=590.
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- How many terms are there in the A.P. whose first and fifth terms are ...
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- The sum of first 7 terms of an A.P. is 10 and that of next 7 terms is ...
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- The third term of an A.P. is 7 and the seventh term exceeds three time...
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- The first term of an A.P.is 2 and the last term is 50. the sum of all ...
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- The number of terms of an A.P. is even, the sum of odd terms is 24, of...
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- If in an A.P, Sn=n^2p and Sm=m^2p, then Sp is equal to
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- If 12th term of an A.P. is -13 and the sum of the first four terms i...
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- If the 5th and 12th terms of an A.P. are 30 and 65 respectively, wha...
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- Find the sum of n terms of an A.P. whose kth terms is 5k+1.
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- Sum of all two digit numbers which when divided by 4 yield unity as re...
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- If the sum of a certain number of terms of the AP 25,22,19... is 116. ...
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- How many terms of the A.P. -6, -(11)/2,\ -5,... are needed to give the...
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- In an A.P. the first term is 2 and the sum of the first five terms is ...
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- 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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- The sum of n terms of two arithmetic progressions are in the ratio 5n+...
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- If 2/3, k ,5/8 are in A.P., find the value of kdot
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- If 1/a ,1/b ,1/c are in A.P. prove that: (b+c)/a ,(c+a)/b ,(a+b)/c are...
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