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If -: means plus, x means subtraction, t...

If `-:` means plus, x means subtraction, then
`(15xx9)-:(12xx4)xx(4-:4)` is equal to :

A

96

B

6

C

`(3)/(128)`

D

`(143)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
B

Given expression
`(15xx9)-:(12xx4)xx(4-:4)=?`
After changing the sign,
`?=(15-9)+(12-4)-(4+4)`
or, ?=(6)+(8)-(8)`
or, `?=6+8-8=6`
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