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If '-' denotes '+', 'xx' denotes 'div', ...

If '-' denotes `'+', 'xx'` denotes `'div', '+'` denotes `'xx', '='` denotes `'lt' and 'div'` denotes '-', then which of the following options is correct?

A

`6 +4 div 20 - 12 xx 6 = 2`

B

`3 div 3 xx 3 - 4 +5 = 20`

C

`12 xx 6 +4 div 3- 6= 10`

D

`4- 20 xx 5 + 4 div 4= 20`

Text Solution

Verified by Experts

The correct Answer is:
D
After interchanging the signs, we get
A. `6 xx 4- 20 + 12 div 6 lt 2`
`rArr 24- 20 +2 lt 2 rArr 6 lt 2` (Incorrect)
B. `3-3 div 3+4 xx 5 lt 20`
`rArr 3-1 + 20 lt 20 rArr 22 lt 20` (Incorrect)
C. `12 div 6 xx 4 -3+6 lt 10`
`rArr 2 xx 4- 3 +6 lt 10 rArr 8 -3+6 lt 10 rArr 11 lt 10` (Incorrect)
D. `4 + 20 div 5 xx 4-4 lt 20`
`rArr 4 + 4 xx 4-4 lt 20 rArr 4 +16 - 4 lt 20 rArr 16 lt 20` (Correct)
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