Class 3 olympiad maths

In this number series, What will come after 78?

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

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

Select the Odd one out.

Select the Odd one Out !!

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

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?

Study the given pictograph which shows the number of balls collected by four friends and answer the following question;
Q. How many more balls were collected by Rita than Sita?

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

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