Accenture Company Numerical Ability Time and Work

15 men and 18 boys can do a piece of work in 20 days and 12 men and 20 boys can do the work in 22 days then the ratio of daily work done by a man to that of a boy.
A)7:4 B)5:2 C)16:7 D)20:9

Read Solution (Total 2)

(15M+18B)20=(12M+20B)22
36M=80B
so,M:B=20:9
4 years agoHelpfull: Yes(2) No(2)

(15M+18B)20 =(12M+20B)22
36M =80B
M:B =20:9
3 years agoHelpfull: Yes(0) No(0)

Accenture Other Question

The average age of a man and his son is 64 years. The ratio of their ages 4 years ago was 11 : 3. What will be ratio of their ages after 8 years ?
A)13 : 5 B)7 : 3 C)9 : 5 D)11 : 7 E)None of these While calculating the weight of a group of men, the weight of 58 kg of one of the ember was mistakenly written as 38 kg. Due to this the average of the weights decreased by half kg. What is the number of men in the group?
A)80 B)10 C)40 D)20