Class 3 olympiad maths

If water Teacher is Doctor, Doctor is Barber, Barber is Carpenter, Then who cuts our hair?

There are 55 students in class 3 of a reputed school. Their class teacher bought _____ number of chocolate, so that she can distribute 2 chocolate to each students.

In this number series, What will come after 78?

Good : Blood :: Roof : ?

A snail covers 10 feet in 2 minutes. How much distance will it travel in 5 minutes.

Study the given pictograph which shows the number of balls collected by four friends and answer the following question;
Q. How many more balls were collected by Rita than Sita?

There are 25 bananas and 5 monkeys. If You have to distribute equally to each monkey, then how much bananas will 2 monkeys get together?

Observe the figure carefully. There are certain number of boys and girls had eaten different types of foods as shown in this image. How Many Boys had eaten burger & pizza all together?

If a bus travels 90 km in 2 Hours, then what is the speed of the bus?

Book : Paper :: Pen : ?