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If - means -:,+ means xx,-: means -,xx m...

If - means `-:,+` means `xx,-:` means `-,xx` means +, then which of the following equations is correct?

A

`43xx7-:5+4-8=25`

B

`48-:5+8xx10-2=13`

C

`36xx4-12+5-:3=420`

D

`42+5-:6xx8-3=28`

Text Solution

Verified by Experts


Option (1)
`43xx7-:5+4-8=25`
`implies43+7-5xx4-:8=25`
`implies43+7-(5)/(2)ne25`
Option (2)
`48-:5+8xx10-2=03`
`implies48-5xx8+10-:2=03`
`implies48-40+5=03`
`implies53-40ne03`
Option (3)
`36xx4-12+5-:3=420`
`implies36+4-:12xx5-3=420`
`implies36+(5)/(3)-3ne420`
Option (4)
`42+5-:6xx8-3=28`
`implies42xx5-6+8-:3=28`
`implies210-6+(8)/(3)ne28`
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