Multiple choice

A is twice as good as B workman. Together, they can finish the work in 14 days. In how many days can B alone do the same work? A, B से दुगुना अच्छा कामगार है| एकसाथ मिलकर वे काम को 14 दिन में कर सकते हैं | B अकेला उसी काम को कितने दिनों में कर सकता है ?

  1. 26 days/दिन

  2. 21 days/दिन

  3. 32 days/दिन

  4. 42 days/दिन

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Let B's 1 day work = 1 unit. Then A's work = 2 units (twice as good). Together they do 3 units/day and finish in 14 days, so total work = 42 units. B alone needs 42/1 = 42 days.