72 grams is what percent of 3.6 kilograms?

Lal Babu and Mangallu can finish a work in 10 days while Lal Babu alone can finish that work in 15 days, then how many days will Mangallu take to do that work?

Directions: The following graph gives Sales, Expense and Capital of a company for a period of five years 1994 to 1998. Read the graph and answer the following questions.

 In which year was the ratio of sales to capital the lowest?

Find the next term in the series.

1329, 997, 725, 507, 337, ?

If two complimentary angles are in the ratio of 4:5, find the greater angle.

One angle of a triangle is 55°. If the other two angles are in the ratio 9:16, find the angles?

At what annual percentage rate, 10 years of simple interest on an amount will be $$ {2\over 5}$$ of the addition?

If 20% of (A + B) = 30% of (A − B), then what percentage of B is equal to A?