Class 3 olympiad maths

In this number series, What will come after 78?

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.

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

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

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?

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?

If 1 smile = 6 Girls. Then How many girls are there in this figure?

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

Select the Odd one Out !!

What fraction of the given figure is shaded?