What percentage of the whole week does Ajay spend in office, if his office hours are 9 am to 5 pm from Monday to Friday? 

In a regular polygon, the exterior and interior angles are in the ration 1:4.The number of sides of the polygon is

If 27 people, working 8 hours a day, can complete a task in 12 days, then in how many days will 18 people finish the task, working 9 hours a day?

The angle of elevation of the top of a tower from two points A and B lying on the horizontal through the foot of the tower are 159 and 30° respectively. If A and B are on the same side of the tower and AB = 48 meter, then the height of the tower is; 

What will be the compound interest on a sum of Rs 7500 at 4 % in 2 years?

A can do a piece of work in 12 days while B alone can do it in 15 days. With the help of C they can finish it in 5 days. If they are paid ₹ 960 for the whole work. How much money A gets? 

The centroid of a ∆ABC is G. The area of ∆ABC is 60 cm². The area of ∆GBC is

A bar graph showing the height of six mountain peaks. Study the bar graph and answer the following Questions.

Which peak is the second highest?