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Each term of an A.P. is doubled,. Is the...

Each term of an A.P. is doubled,. Is the resulting sequence also an A.P.? If it is write its first term, common difference and nth term.

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MODERN PUBLICATION-SEQUENCES AND SERIES-REVESION EXERCISE
  1. निम्नलिखित अनुक्रमों में पहले पाँच पद ज्ञात कीजिए | {:{(a(1)=1),(a(n...

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  2. Which term of the progression 19, 18 1/5, 17 2/5 ………. Is the first neg...

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  3. Each term of an A.P. is doubled,. Is the resulting sequence also an A....

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  4. If the mth term of an A.P. be 1//n and nth term be 1//m then show that...

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  5. If a, b, c are in AP, then prove that (a-c)^2 =4(b^2 -ac)

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  6. Show that the sequence loga ,log(a b),log(a b^2),log(a b^3), is an A.P...

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  7. How many numbers of two digits are divisible by 7?

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  8. Let S(n) denotes the sum to terms of an A.P. whose first term is a . I...

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  9. If S1,S2, S3, Sm are the sums of n terms of m A.P. ' s whose first ter...

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  10. If the sum of m terms of an A.P. is equal to the sum of either the nex...

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  11. IF the sum of p terms of an AP is q and the sum of q terms is ...

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  12. In a G.P. the first term is a, second term is b and the last term is ...

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  13. Find the sum of all natural numbers between 1 and 100, which are divis...

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  14. A man gets an appointment with two options. Either he can accept Rs. 4...

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  15. A fanner buys a used tractor for Rs 12000. He pays Rs 6000 cash and...

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  16. Shamshad Ali buys a scooter for Rs. 2200. He pays Rs. 4000 cash and ...

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  17. Two cars start together in the same direction from the same place. The...

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  18. The ages of the students of a class form an A.P. whose common differen...

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  19. "If " a^(2), b^(2), c^(2)" are in A.P., prove that "(1)/(b+c),(1)/(c+a...

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  20. If a^(-1),b^(-1),c^(-1),d^(-1) are in A.P. then show that b=(2ac)/(a+c...

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