Subject: General Aptitude · Chapter: Time and Work · Exam: · Marks: · Difficulty:
Seven men can complete a work in 12 days. They started the work and after 5 days, two men left. In how many days will the work be completed by the remaining men ?
(a)5
(b)6
(c)7
(d)8
(e)None of these
Answer
Answer (as printed): E
Explanation
(7 × 12) men can complete the work in 1 day. 1 ∴ 1 man’s 1 day’s work = . 84 1 5 7 men’s 5 days’ work = × 5 = . 12 12 5 7 Remaining work = 1 − = . 12 12 1 5 5 men’s 1 day’s work = × 5 = . 84 84 5 work is done by them in 1 day. 84 7 84 7 49 4 work is done by them in × = days = 9 days. 12 5 12 5 5 1
Explanation as extracted from the printed page; notation may be imperfect.