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Some equations are solved on the basis o...

Some equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis

A

` 59`

B

`-59`

C

`77`

D

`-15`

Text Solution

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The correct Answer is:
A

`5 o dot 3 = -7`
`rArr ( 5xx 3) - (5 +3)`
`rArr 15 -8 = 7`
`7 rArr -7`
`3 odot 7 =-1`
`rArr ( 3 xx 7) - (3 +7)`
`rArr 21 - 10 =11`
`7 odot 11`
`rArr ( 7 xx 11) - (7 + 11)`
`rArr 77 - 18 = 59`
`59 rArr -59`
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