An office opens at 10 am and closes at 5 pm. The lunch break is of 30 minutes. What is the ratio of lunch break and total office hours?

Directions : The graph shows the demand and production of different companies. Study the graph and answer the following questions.

What is the second large demand company?

The following penalty diagram shows the 4 year exam results of the students of 10th standard. Study the diagram and answer the following questions.

Name the number of students who appeared in the 10th standard examination in the year 2002-

Piyush is running at the speed of 8 km/h and he stops for 5 minutes at the end of every third kilometer. How much time will Piyush take to cover a distance of 56 km?

If in a triangle, the orthocenter lies on vertex, then the triangle is 

A shopkeeper offers 10% discount on every   purchase of an article. It also offers an additional discount of 12%. If the payment is made in cash. If the original price of an item is Rs. 250, how  much a customer will pay. If he wants to pay the price in cash?

A circular pavement was to be built around a square park of side 18 m. The maximum width of pavement is 5 m. Calculate the cost of cementing the pavement at Rs. 15 per m² .

In △ABC, M and N are the points on side BC such that AM ⊥ BC, AN is the bisector of ∠A, and M lies between B and N. If ∠B = 68°, and ∠C=26°, then the measure of ∠MAN is: