Twenty women can do work in sixteen days. Sixteen men can complete the same work in fifteen days. The ratio between the capacity of a man and a woman is

If Diagonal of rectangle is 41 cm and one side of Rectangle is 9 cm Then find out Ratio of perimeter and area of Rectangle? 

In triangle ABC, F is the centroid. If AB=11 cm, BC=14 cm and AC=7 cm, then what is the value (in cm) of EF?

Simplify $$ {^3\sqrt {{4} {12\over {125}}}}$$.

In a college 12% of all the students are interested in sports, 10% of the total students are interested in singing and three-fourth of the total students are interested in dancing and remaining 15 students are not interested in any activity, How many total students are there in the college?

What will come in place of the question mark (?) in each of the following series?

15     ?    24    33     97    122     

At what simple rate of interest a sum is double in 8 years?

The average monthly income of A and B is Rs.15,050 , and the average monthly income of B and C is Rs.15,350 and the average income of A and C is Rs.15,200. The monthly income of A is.