W can do 25% of a work in 30 days, X can do 1/4 of the work in 10 days, Y can do 40% of the work in 40 days and Z can do 1/3 of the work in 13 days. Who will complete the work first ?
A
W
B
X
C
Y
D
Z
Correct Answer: Option D
Explanation
The question asks who will complete the work first. As seen in similar CSAT questions that ask for the fastest or slowest, this means we need to find the person who takes the least