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390.5 xx sqrt(?)=284xx2...

`390.5 xx sqrt(?)=284xx2`

A

`(256)^(2)`

B

16

C

`sqrt(16)`

D

256

Text Solution

Verified by Experts

The correct Answer is:
D
`390.5xxsqrt(?)=284xx22`
`rArr sqrt(?)=(284xx22)/(390.5)=16`
`:. ?=16xx16=256`
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