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If '-' stands for '+','+' stands for 'xx...

If '-' stands for '+','+' stands for `'xx','xx'` stands for '-' then which one of the following is not correct ?

A

`22 + 7 – 3 xx 9 = 148`

B

`33 xx 5-10+20 = 228`

C

`7+28-3 xx 52 =127`

D

`44 -9+6 xx 11=87`

Text Solution

Verified by Experts

The correct Answer is:
C
By options–
(a) 22 × 7 + 3 – 9 = 148
154 + 3 – 9
157 – 9 = 148 (Correct)
(b) 33 – 5 + 10 × 20 = 228
33 – 5 + 200
200 + 33 – 5
233 – 5 = 228 (Correct)
(c) 7 × 28 + 3 – 52 = 127
196 + 3 – 52
199 – 52 = 147 (Incorrect)
(d) 44 + 9 × 6 – 11 = 87
44 + 54 – 11
98 – 11 = 87 (Correct)
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