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RD SHARMA-ARITHMETIC PROGRESSIONS-Solved Examples And Exercises
- Show that the sequence is an A.P. if its nth term is linear expression...
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- The nth term of a sequence is given by an=2n+7. find its 7th term.
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- The product of three numbers in A.P. is 224, and the largest number is...
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- The fourth power of common difference of an arithmetic progression wit...
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- The sum of three terms of an A.P. is 21 and the product of the first ...
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- The internal angles of quadrilateral are in A.P. and their common diff...
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- Find the sum of all natural between 250 and 1000 which are exactly ...
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- Find the sum of first 20 terms of an A.P., in which 3r d terms in 7 an...
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- Find the number of terms in the series 20 ,19 1/3,18 2/3... the sum of...
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- The sums of n terms of three arithmetical progressions are S1, S2and ...
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- If in an A.P. the sum of m terms is equal of n and the sum of n ter...
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- The first , second and the last terms of an A.P. are a ,b , c respect...
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- If (3+5+7+ u p tont e r m s)/(5+8+113 u p to10t e r m s)=7, then find...
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- In a factory, 150 workers were engaged to finish a piece of work in a ...
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- Prove that the sum of n arithmetic means between two numbers in n ti...
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- If a ,b ,c are in A.P., then prove that: (a-c)^2=4(b^2-a c), a^3+...
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- If a^2(b+c),b^2(c+a),c^2(a+b), are in A.P. show that either a ,b ,c ar...
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- If n arithemetic means are inserted between 20 and 80 such tht the r...
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- Along a road lie an odd number of stones placed at intervals of 10 met...
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- A carpenter was hired to build 192 window frames. The first day he mad...
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