If 45 ÷ 3 + 4 × A – 48 ÷ 24 + 4 = 1, then the value of A is:
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Correct answer: D
Explanation
The correct answer is Option 4 i.e. −4.
45 ÷ 3 + 4 × A – 48 ÷ 24 + 4 = 1
⇒ 15 + 4 × A – 2 + 4 = 1
⇒ 15 + 4A – 2 + 4 = 1
⇒ 19 + 4A – 2 = 1
⇒ 17 + 4A = 1
⇒ 4A = 1 - 17
⇒ 4A = -16
⇒ A = -4