Class 3 olympiad maths

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

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

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

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

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?

What is the speed of a train if it covers 3oo kilometer in 4 Hours?

In this number series, What will come after 78?

What fraction of this figure is shaded?

Each horse is carrying a different number. If all these number are in certain a pattern, Then what is the value of " ? " in this picture?

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