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The 14th term of an A.P. is twice its 8t...

The 14th term of an A.P. is twice its 8th term. If its 6th term is -8, then find the sum of its first 20 terms.

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X BOARD PREVIOUS YEAR PAPER ENGLISH-X Boards-All Questions
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  3. The 14th term of an A.P. is twice its 8th term. If its 6th term is -8,...

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  4. Solve for x sqrt3x^2-2sqrt(2)x-2sqrt3=0

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  11. Find the 60th term of the AP 8, 10, 12, ……., if it has a total of 60 t...

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  12. A train travels at a certain average speed for a distance of 54 km and...

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  13. Prove that the length of the tangents drawn from an external point to ...

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  14. Prove that tangent drawn at the mid point of the are of a circle is pa...

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  15. The angle of elevation of the top of a tower from a point A on the ...

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  20. solve for x and y, x+ (6/y)=6,3x-(8/y)=5

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