Class 3 olympiad maths

Rohit wants to change her 10 rupees note with 50 paise coins. How many coins will he get?

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

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

Select the Odd one out.

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

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

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

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.

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?