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If '+' means '-','-' means 'xx','-:' mea...

If '+' means '-','-' means `'xx','-:'` means '+' and `'xx'` means `'-:'`, then
`10xx5-:3-2+3=?`

A

5

B

`(53)/(3)`

C

21

D

36

Text Solution

Verified by Experts

The correct Answer is:
A
`?=10xx5-:3-2+3`
`=10-:5+3xx2-3" "` (by interchanging )
`=2+3xx2-3`
`=2+6-3=8-3=5`
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ARIHANT PUBLICATION-MATHEMATICAL OPERATIONS AND SYMBOL NOTATIONS-Let us Practice (A. Base Level Exercise )
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  3. If '+' means '-','-' means 'xx','-:' means '+' and 'xx' means '-:', th...

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