Question : Directions: If A denotes +, B denotes ×, C denotes –, and D denotes ÷, then what will come in place of (?) in the following equation? 7 A 3 B 24 D 2 = 20 B ? A 3
Option 1: 2
Option 2: 20
Option 3: 14
Option 4: 7
Correct Answer: 2
Solution : Given: 7 A 3 B 24 D 2 = 20 B ? A 3
Let the missing number be a. After replacing the letters with the mathematical signs, we get – ⇒ 7 + 3 × 24 ÷ 2 = 20 × a + 3 ⇒ 7 + 3 × 12 = 20 × a + 3 ⇒ 7 + 36 = 20 × a + 3 ⇒ 43 = 20 × a + 3 ⇒ 43 – 3 = 20 × a ⇒ 40 = 20 × a ⇒ a = 2
So, 2 is the answer to the given equation. Hence, the first option is correct.
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Question : Directions: If A denotes +, B denotes ×, C denotes –, and D denotes ÷, then what will come in place of (?) in the following equation? 94 A 16 B 3 C 86 A 14 D 7 = ?
Option 1: 48
Option 2: 58
Option 3: 62
Option 4: 51
Question : Directions: If A denotes +, B denotes ×, C denotes –, and D denotes ÷, then what will come in place of (?) in the following equation? 48 D 12 A ($\sqrt{36}$ B 3) C 19 A 24 = ?
Option 1: 31
Option 2: 27
Option 3: 35
Option 4: 22
Question : Directions: If A denotes +, B denotes ×, C denotes –, and D denotes ÷, then what will come in place of (?) in the following equation? 124 D 4 C 86 D 2 A 61 A 17 B 3 = ?
Option 1: 100
Option 2: 98
Option 3: 92
Option 4: 110
Question : Directions: If A denotes +, B denotes ×, C denotes –, and D denotes ÷, then what will come in place of (?) in the following equation? 16 D 2 B 9 C 15 A 32 = ?
Option 1: 89
Option 2: 99
Option 3: 97
Option 4: 93
Question : Directions: If A denotes +, B denotes ×, C denotes –, and D denotes ÷, then what will come in place of (?) in the following equation? 2 B ? D 2 = 4 B 32 D 8
Option 1: 12
Option 2: 30
Option 3: 16
Option 4: 8
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