Class 3 olympiad maths

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

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

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?

Madhubala is Mohit's Father's Wife. Ranu is Mohit's Sister. How is Ranu related to Madhubala?

Observe the figure carefully. There are certain number of boys and girls had eaten different types of foods as shown in this image. How Many Girls had eaten Chocolate, Pizza and ice-cream all together?

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

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 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?

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

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