Question : Directions: If P means ×, Q means +, R means ÷, and S means –, then 56 R 8 Q 13 S 42 R 21 P 5 = ?
Option 1: 12
Option 2: 8
Option 3: 24
Option 4: 10
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Correct Answer: 10
Solution :
Given:
56 R 8 Q 13 S 42 R 21 P 5 = ?
After replacing the letters with the mathematical signs, we get –
= 56 ÷ 8 + 13 – 42 ÷ 21 × 5
= 7 + 13 – 2 × 5
= 7 + 13 – 10
= 10
So, 10 is the answer to the given equation. Hence, the fourth option is correct.
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