Advertisements
Advertisements
प्रश्न
A project manager hired 16 men to complete a project in 38 days. However, after 30 days, he realized that only `5/9`th of the work is complete. How many more men does he need to hire to complete the project on time?
पर्याय
48
24
32
16
MCQ
Advertisements
उत्तर
32
Explanation:
Remaining work
`= 1 - 5/9 = 4/9`
`therefore ("M"_1"D"_1)/"W"_1 = ("M"_2"D"_2)/"W"_2`
`=> (16 xx 30)/(5/9) = ("M"_2 xx 8)/(4/9)`
⇒ `"M"_2 xx 8 xx 5 = 16 xx 30 xx 4`
⇒ `"M"_2 = (16 xx 30 xx 4)/(8 xx 5)` = 48
∴ Additional men = 48 - 16 = 32
shaalaa.com
Time and Work (Entrance Exam)
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
