Class 3 olympiad maths

If water Teacher is Doctor, Doctor is Barber, Barber is Carpenter, Then who teaches us?

Good : Blood :: Roof : ?

I am an Even number. I have 4 in the Tens place. I am lesser than 43. What number am I?

What is the speed of a train if it covers 3oo kilometer in 4 Hours?

The sum of two number is 8. And difference is 6. What are the two numbers?

What fraction of this figure is shaded?

I am an Odd two digit number. I have a 6 in my Tens place. I am greater than 67. What number am I ?

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?

Book : Paper :: Pen : ?

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.