Class 3 olympiad maths

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

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

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?

Good : Blood :: Roof : ?

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.

Janvi can make 7 paper boats in 3 minutes. How many paper boats can she make in 1 hour?

Indra introduces Praveen as the son of the only brother of his father's wife. How is Praveen related to Indra?

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?

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