Exam
Maths Puzzle
Numerical Ability
Algebra
20 men can plant 50 saplings in 8-hours. In how many hours can 15men plant 80
saplings?
Read Solution (Total 2)
-
- M W(saplings) H
20 50 8
15 80 x
(20*80*8)/(15*50)=x
x=17 1/15=17.06 - 9 years agoHelpfull: Yes(4) No(0)
- 17 Hours
20M --------------------- 50 S---------- 8H
15M=20*3/4M--------50*3/4 S -----8H
For 50*3/4 saplings,it takes 8 hours, So for 80 saplings=80*8/(50*3/4)=256/15=17.06 ~ 17 hours - 10 years agoHelpfull: Yes(1) No(0)
Exam Other Question