If S means '-', Q means 'X', R means ‘÷’ and P means '+’, then 1 P 45 R 2 Q 2 S 4 = ?
Options:
A . 40
B . 42
C . 36
D . 46
E . 38
Answer: Option B Answer: (b) According to the question, 1 P 45 R 2 Q 2 S 4 from the question by changing the alphabets, we get = 1 + 45 ÷ 2 x 2 - 4 (using VBODMAS rule) = 1 + 22.5 x 2 - 4 = 1 + 45 - 4 = 42
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