Class 3 olympiad maths

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

How many triangles are there in the given picture?

If perimeter of a square is 44 meter, Then what is the length of one side of the square?

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?

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?

Good : Blood :: Roof : ?

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

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