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If 879=8, 625 =1 and 586 =9, then 785=?...

If 879=8, 625 =1 and 586 =9, then 785=?

A

6

B

7

C

8

D

9

Text Solution

Verified by Experts

The correct Answer is:
A

`879implies(7+9)-8=8`
`625implies(2+5)-6=1`
and `586implies(8+6)-5=9`
Similarly, `785implies(8+5)-7=6`
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