Question : Directions: If I denotes ÷, J denotes ×, K denotes –, and L denotes +, then what will come in place of (?) in the following equation?
29 J 7 K 168 I 4 L 71 K 39 L 14 J 2 = ?
Option 1: 221
Option 2: 228
Option 3: 216
Option 4: 235
Correct Answer: 221
Solution :
Given:
I denotes ÷, J denotes ×, K denotes –, and L denotes +
29 J 7 K 168 I 4 L 71 K 39 L 14 J 2 = ?
On replacing the letters with mathematical signs, we get –
= 29 × 7 – 168 ÷ 4 + 71 – 39 + 14 × 2
= 29 × 7 – 42 + 71 – 39 + 14 × 2
= 203 – 42 + 71 – 39 + 28
= 221
Hence, the first option is correct.
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