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If 235=38 and 452=45, then 345=?...

If `235=38` and `452=45`, then `345=?`

A

(a) 49

B

(b) 66

C

(c) 72

D

(d) 50

Text Solution

Verified by Experts

The correct Answer is:
D

`235rArr(2)^(2)+(3)^(2)+(5)^(2)=38`
`452rArr(4)^(2)+(5)^(2)+(2)^(2)=45`
`345rArr(3)^(2)+(4)+(5)^(2)=50`
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