Two men are standing on opposite ends of a bridge 1200 meters long. If they walk towards each other at the rate of 5m/minutes respectively, in how much time will they meet each other?

Due to 20% reduction in the price of wheat, a person can buy 10 kg more wheat than before for Rs 600, what is the price of wheat after the decrease in the price?

ABCD is a rhombus whose one angle is 60°.Find the ratio of the lengths of its diagonal?

Find the area of a white sheet required to prepare a cone with a height of 21cm and the radius of 20cm.

Simplify : $$ {5\over3}×{7\over51}\ of \ {17\over5}-{1\over3}\over {2\over9}×{5\over7}\ of \ {28\over5}-{2\over3}  $$

30 persons can do a piece of work in 24 days. How many more people are required to complete the work in 20 days?

If  $$\sqrt{a}+\sqrt{b}=15 \ and \ (\sqrt{a}-\sqrt{b} )=3$$ then the value of $$\sqrt{ab/4} $$ is 

Direction: Study the following graph carefully and answer the following questions.

The production of company D is approximately how many time that of the production of company A?