Q168
If the work done by (x - 1) men in (x + 1) days and the work done by (x + 2) men in (x - 1) days are in the ratio 9 : 10, then the value of x is equal to ?
A.
5
B.
6
C.
7
D.
8
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Put values in formula