The pie chart shows the results of an online survey which asked people about their favourite author. Study the diagram and answer the following questions.

The measure of the central angle of the sector representing number of people whose favourite author is D is ________ degrees.

The pie chart shows the results of an online survey which asked people about their favourite author. Study the diagram and answer the following questions.

What is the total number of people who have responded to the survey ?

The pie chart shows the results of an online survey which asked people about their favourite author. Study the diagram and answer the following questions.

Which author is the favourite of most people surveyed?

A boy crosses a 300 metres wide road in 30 seconds. What is his speed (in km/hr)?

A, B and C together can complete a work in 25 days. If the ratio of efficiency of A, B and C is 15 : 10 : 6 respectively, then in how many days C alone can complete the same work?

What is the value of 96+21624?

The marked price of an article is 60% more than its cost price. If the article is sold for Rs 300 after offering a discount of Rs 20, then what will be the profit percentage?

Cost price of an article is Rs 5800. If the loss percentage is 33%, then what is the selling price (in Rs) of the article?