Question
The average working hours per month of the staff aged
over 50 years in a factory were 160 and that of the staff aged under 50 years were 210. The mean working hour per month of all the staff was 200. The ratio of the number of the staff aged over 50 to that of the staff aged under 50 is:Solution
The correct answer is D
More Welfare Economics Questions
If A + B means B is father of A and A % B means A is brother of B, A # B means B is husband of A. Which of the following shows that M is daughter in law...
How J is related to son in law of L?
If Aman is the brother of Babita; Babita is the sister of Chetan and Chetan is the father of Deep, how Deep is related to Aman?
How is B related to A?
Who among the following person is the niece of D?
How is E is related to B?
Four of the following are alike in a certain way. Who among the following one does not belong to the group?
How is M related to L?
Who is the daughter-in-law of R?
Which of the following is true about K?
