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- Find the sum to n terms of the series: 5+55+555+………..
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- Find the 20^( th) term of the series 2 xx 4+4 xx 6+6 xx 8+. . .,+ n t...
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- Find the sum of the first n terms of the series : 3+7+13+21+31+. . .
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- If S1, S2, S3 are the sum of first n natural numbers, their squares an...
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- Find the sum to n terms of the series: (1^3)/(1)+(1^3+2^3)/(1+3) + ...
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- Show that (1 xx 2^2+2 xx 3^2+. .+n xx(n+1)^2)/(1^2 xx 2+2^2 xx 3+. .+n...
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- A farmer buys a used tractor for Rs. 12,000. He pays Rs. 6000 cash and...
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- Shamshad Ali buys a scooter for Rs. 22000. He pays Rs. 4000 cash and a...
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- A person writes a letter to four of his friends. He asks each one of t...
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- A man deposited Rs. 10000 in a bank at the rate of 5 % simple interest...
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- A manufacturer reckons that the value of a machine, which costs him Rs...
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- 150 workers were engaged to finish a job in a certain number of days. ...
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- Write the first 'three terms of the sequences whose nth term Tn is giv...
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- Show that the sequence: log a, log ((a^2)/b), log(( a^3)/(b^2)) . . is...
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- Which term of the sequence 37,32,27,22,... is -103
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- Find the 20^( th) term of the series 2 xx 4+4 xx 6+6 xx 8+. . .,+ n t...
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- The 7^th term of an AP is 34 and the 15^thterm is 74. Find the 40^th t...
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- Prove that the product of the 2^ (nd) and 3 rd terms of an A.P.'excee...
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- Find the sum of all three digit numbers which leave the remainder 1 wh...
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- If the 'sum of first m terms of an A . P. be n and the sum of first n ...
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