1.

If 60 engineers of 120 doctors or 100 teachers can finish a work in 360 days then in how many days will 10 engineers, 40 doctors and 50 teachers working together will complete the same work?

Answer»

360
320
400
440

Solution :`60E= 120 D = 100T= 1 ` UNIT can finish a work in 360
days
ALSO `10E+40D+50T= 1/6 + 1/3 + 1/2 unit = 1 unit`
Therefore 10 engineers, 40 doctors and 50 teachter
working together will complete the same work in same
TIME i.e. 360 days.


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