The number of females in the Marketing department are approximately what percent of the total employees in marketing and customer Relation department together?

What is the ratio of number of males in HR Department to the number of males in Accounts department respectively?

Study the following graph carefully and answer the question that follow.
What is the total number of males from Design, Customer Relation and HR departments together?

What approximate value should come at place of the question mark(?) in the following question?

What approximate values should come in place of the question mark(?) in the following question?

What approximate value should come in place of the question mark(?) in the following question.
635×455÷403=?

What approximate value should come in place of the question mark(?) in the following question?
5223÷36×0.93=?

The average speed of a train is 3 times the average speed of car. The car covers a distance of 520 km in 8 hours. How much distance will the train cover in 13 hours?