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If '+' means 'x', - means '-:','x' means...

If '+' means 'x', - means `'-:'`,'x' means '+' and `'-:'` means '-' then `25xx15-3-:2+5=?`

A

20

B

50

C

30

D

40

Text Solution

Verified by Experts


`25xx5-3-:2+5=?`
`implies?=25+5-:3-2xx5`
`implies?=25+(5)/(3)-10`
`implies?=(75+5-30)/(3)=(80-30)/(3)`
`=(50)/(3)=16(2)/(3)`
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