If 2x+1, x+2, 2 and 5 are in proportion,...

If 2x+1, x+2, 2 and 5 are in proportion, then what is the mean proportional between 3.5(1-x) and 8(1+x)?
यदि 2x+1, x+2, 2 और 5 समानुपात में हैं, तो 3.5(1-x) एवं 8(1+x) के बीच माध्य समानुपाती ज्ञात करें |

A

4.5

B

5.5

C

5.25

D

4.25

Text Solution

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The correct Answer is:

C

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