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The G.M. of two numbers is 6. Their A.M....

The G.M. of two numbers is 6. Their A.M. 'A' and H.M. H satisfy the equation `90A+ 5H= 918` then

A

A= 10, A= 4

B

`A= (1)/(5), A= 10`

C

A= 5, A= 10

D

`A= (1)/(5), A= 5`

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B
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AAKASH SERIES-SEQUENCE AND SERIES-Practice Exercise
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  3. The first term of an A.P of consecutive integers is p^(2) + 1 . The su...

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  4. The sum of n terms of an A.P is 3n^(2) +n. Then 8^(th) term of the A.P...

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  7. If 5^(th) term of A.P is (1)/(6) and 6^(th) term of A.P is (1)/(5) the...

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  11. If s(1), s(2), s(3)…..s(p) are the sums of n terms of 'p' A.P's whose ...

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  12. If a(1), a(2), a(3)…..a(n) are in A.P. with common difference d then s...

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  13. If S(1), S(2), S(3) be the sum of 10, 20, 30 terms respectively of an ...

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  14. The first, second and last terms of an A.P. are a, b, c respectively, ...

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  15. If the sum of the first ten terms of an A.P is four times the sum of i...

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  16. If a,b,c are in A.P then a((1)/(b) + (1)/(c )), b ((1)/(c ) + (1)/(a))...

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  19. If n A.M's are inserted between two quantites a and b then their sum i...

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