Class 3 olympiad maths

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

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

Sham had 14 more marbles than Ajay. Raghu had 10 marbles less than Sham. If Ajay's marbles count is equal to the largest two-digit number, Then how many marbles they all together have?

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?

Study the given pictograph which shows the number of balls collected by four friends and answer the following question;

Q. How many balls Reena, Sonu and Sita have all together?

One fine evening, Mugdha & Ankita were talking to each other face to face. If Ankita's shadow was exactly to the right of Ankita, Which direction was Mugdha facing?

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

Find the missing number to complete this equation.
? + 122 + 78 + 35 = 269

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