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Sum of 25^(th) and 5^(th) elements of an...

Sum of `25^(th)` and `5^(th)` elements of an A.P is

A

`2(15^(th).` element)

B

`2(5^(th).` element)

C

`20^(th)` element

D

`30^(th)` element

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The correct Answer is:
A
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HIMALAYA PUBLICATION-PROGRESSIONS-QUESTION BANK
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  2. If 5 times of the 5^(th ) element of an A.P is equal to 9 times the 9^...

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  3. Sum of 25^(th) and 5^(th) elements of an A.P is

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  5. The 12^(th) element from the end of A.P,3,8,13, .., 253 is

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  10. If (a-1) is the G.M between (a-2) and (a+1) then a=

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