40 men @ 8 hrs/day = 320 man-hrs/day
60 men @ 6 hrs/day = 360 man-hrs/day
So, it will take 320/360 = 8/9 as long, or 80/3 days
40 MEN CAN DO A PIECE OF WORK IN 30 DAYS,WORKING 8 HOURS DAILY.IN HOW MANY DAYS WILL 60 MEN FINISH THE WORK WHEN WORKING HOURS ARE REDUCED BY 25 PERCENT? A,19 B,30 C 20 1/3 D,26 2/3
3 answers
7 11 44 49 245 251
a,257 b,1506 c,1368 d,259
a,257 b,1506 c,1368 d,259
if 10 typist working 8 hours take 25 days write 100 letters of 10 lines then how many typist will be working 10 hours take 15 days write 50 letters of 33 lines?
a,15 b,24 c,22 d,20
a,15 b,24 c,22 d,20
1 answer