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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
`879=8`
`=7+9-8=8`
`625=1`
`implies2+5-6=1`
`586=9`
`implies8+6-5=9`
`785=?`
`implies8+5-7=6`
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