If A : B = 2 : 3 and B - A = 28, then what is the value of B + A?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 140
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Understanding |
Application |
Calculation |
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A : B = 2 : 3 |
Let, A = 2x, B = 3x |
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B - A = 28 |
So, x = 28 |
⇒ 3x – 2x = 28 ⇒ x = 28 |
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Now, B + A = 140 |
⇒ 3x + 2x ⇒ 5x ⇒ 5 × 28 = 140 |