Multiple choice

A and B can complete the work in 15 days. lf A is 50% more efficient than B. How long would A take to complete the work alone? A और B किसी कार्य को 15 दिन में पूरा कर सकते हैं। यदि A, B से 50% अधिक कार्य कुशल है तो A अकेले उसी कार्य को कितने दिन में समाप्त कर लेगा?

  1. 25 days/दिन

  2. 20 days/दिन

  3. 24 days/दिन

  4. 22 days/दिन
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A is 50% more efficient than B, so if B's efficiency is 2 units, A's is 3 units. Together their efficiency is 5 units, completing the work in 15 days. Total work = 5 × 15 = 75 units. A alone would take 75/3 = 25 days. The claimed answer is correct.

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