Question : Directions: If + means –, – means ×, × means ÷, ÷ means +, then what will come in place of the question mark (?) in the following equation? 39 × 3 – 11 ÷ 57 + 29 = ?
Option 1: 163
Option 2: 190
Option 3: 185
Option 4: 171
Correct Answer: 171
Solution : Given: + means –, – means ×, × means ÷, ÷ means + 39 × 3 – 11 ÷ 57 + 29 = ?
After interchanging the given mathematical signs, we get – ⇒ 39 ÷ 3 × 11 + 57 – 29 ⇒ 13 × 11 + 57 – 29 ⇒ 143 + 57 – 29 = 171
So, 171 is the answer to the given equation. Hence, the fourth option is correct.
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Question : Directions: If + means –, – means ×, × means ÷, ÷ means +, then what will come in place of the question mark (?) in the following equation? 137 ÷ 56 × 7 – 6 + 31 = ?
Option 1: 149
Option 2: 163
Option 3: 145
Option 4: 154
Question : Directions: If + means –, – means ×, × means ÷, ÷ means +, then what will come in place of the question mark (?) in the following equation? 61 ÷ 9 × 3 – 8 + 5 = ?
Option 1: 80
Option 2: 75
Option 3: 89
Option 4: 72
Question : Directions: Which two signs should be interchanged to make the given equation correct? 39 ÷ 3 – 11+ 57 × 29 = 171
Option 1: – and ×
Option 2: – and +
Option 3: ÷ and +
Option 4: ÷ and –
Question : Directions: If + means –, × means +, – means ÷, and ÷ means ×, what will come in place of the question mark (?)? 89 × 36 – 9 + 2 ÷ 11 = ?
Option 1: 71
Option 2: 79
Option 3: 83
Option 4: 92
Question : Directions: If + means –, – means ×, × means ÷, ÷ means +, then what will come in place of the question mark (?) in the following equation? 14 – 7 ÷ 42 × 6 + 33 = ?
Option 1: 72
Option 2: 84
Option 3: 68
Option 4: 56
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