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Soms equations have been solved on the b...

Soms equations have been solved on the basis of a certain operation. Find the correct answer for the unsolved equation on that basis.
If `73**17=45` and `68**40=54`, then `83**15=?`

A

49

B

64

C

69

D

79

Text Solution

Verified by Experts

The correct Answer is:
A
`73**17=45`
`rArr (73+17)/(2)=(90)/(2)=45`
`68*40=54`
`rArr (68+40)/(2)=(108)/(2)=54`
Similarly,
`83**15=?`
`(83+15)/(2)=(98)/(2)=49`
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