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If 37**14=17, 69**33=34, 91**125=72 ...

If `37**14=17`,
`69**33=34`,
`91**125=72`
then what should be `28**56=?`

A

26

B

42

C

34

D

28

Text Solution

Verified by Experts

The correct Answer is:
D
`37**14=17`
`rArr (37+174)/(3)=17`
`rArr (51)/(3)=17`
`69**33=34`
`rArr (39+33)/(3)=34`
`rArr (102)/(3)=72`
`91**125=72`
`rArr (91+125)/(3)=72`
`rArr (216)/(3)=72`
Therefore,
`28**56`
`rArr (28+56)/(3) rArr (84)/(3)=28`
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