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NCERT TAMIL-SEQUENCES AND SERIES-Miscellaneous Exercise On Chapter 9
- If (a+bx)/(a-bx)=(b-cx)/(b-cx)=(c+dx)/(c-dx)( x ne 0) then show that ...
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- Let S be the sum, P the product and R the sum of reciprocals of n term...
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- The p^(th), q^(th) and r^(th) terms of an A.P. are a, b, c, respectiv...
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- If a(1/b + 1/c), b(1/c + 1/a), c(1/a + 1/b) are in A.P., prove that a,...
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- If a, b, c, d are in G.P, prove that (a^n + b^n), (b^n + c^n), (c^n +...
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- If a and b are the roots of x^2 – 3x + p = 0 and c, d are roots of x^...
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- The ratio of the A.M. and G.M. of two positive numbers a and b, is m :...
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- If a, b, c are in A.P., b, c, d are in G.P. and 1/c,1/d,1/e are in A.P...
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- Find the sum of the following series up to n terms: (i) 5+55+555+......
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- Find the 20^(th) term of the series 2 xx 4 + 4 xx 6 + 6 xx 8 + ... + ...
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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 a...
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- Find the sum of the following series up to n terms: 1^3/1+(1^3+2^3)/...
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- Show that (1 xx 2^(2) + 2 xx 3^(2) + ... +n xx (n + 1)^(2))/(1^(2) xx ...
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- A farmer buys a used tractor for Rs 12000. He pays Rs 6000 cash and ag...
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- Shamshad Ali buys a scootor for Rs 22000. He pays Rs 4000 cash and agr...
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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 a...
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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 piece of work in a certain number...
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