Class 3 olympiad maths

Book : Paper :: Pen : ?

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

Raja puts 60 plates in the 1st Shelf, 70 plates in the 2nd shelf and 80 plates in the 3rd shelf. If this pattern continues, Then how many plates will he put in the 5th shelf?

If a tank can hold 120 ltr of oil and it is 1/2 filled. Then how much  more oil needs to be poured to fill the tank?

25 Tens + 350 Ones = ?

Select the Odd one out.

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

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?

The difference of two numbers is 6 And the Sum is 14. What are the two numbers?