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If x be the AM and y,z be two GM's betwe...

If x be the AM and y,z be two GM's between two positive numbers, then `(y^3 + z^3)/(xyz)` is equal to

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1

B

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3

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PATHFINDER-PROGRESSION AND SERIES -QUESTION BANK
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  7. The series of natural number is divided into groups 1 , 2, 3, 4,.........

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  8. sum(i = 1)^n sum(j = 1)^i sum(k = 1)^j 1 is equal to

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  10. If the first & the (2n + 1)th terms of an A.P. , a G.P & an H.P. of po...

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  11. If the arithmetic mean of two positive numbers a & b (a gt b) is twice...

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