जॉइन Examsbookउत्तर : 1. "14 days"
A can do a piece of work in 21 days and B in 28 days. Together they started the work and B left after 4 days. In how many days can A alone do the remaining work ?5
प्र: A can do a piece of work in 21 days and B in 28 days. Together they started the work and B left after 4 days. In how many days can A alone do the remaining work ?
- 114 daystrue
- 218 daysfalse
- 321 deaysfalse
- 416 daysfalse
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उत्तर : 1. "14 days"
व्याख्या :
Answer: A) 14 days Explanation: Let A worked for x days. x/21 + 4/28 = 1 => x = 18 A worked for 18 days. So, A can complete the remaining work in 18 - 4 = 14 days.