Multiple choice

Radha can do a piece of work in 16 days and Meera can do it 10 days. They started the work together, but Meera had to leave the work 3 days before the completion of the work. In how many days was the whole work completed?

  1. 8 days

  2. 6 days

  3. 5 days

  4. 3 days

  5. 2 days

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

Radha's rate: 1/16 work/day; Meera's rate: 1/10 work/day. Let d = total days. Radha works d days, Meera works (d − 3) days (leaves 3 days early). Total work: d/16 + (d−3)/10 = 1. Solving: 10d + 16(d−3) = 160 → 26d = 208 → d = 8 days.