S4.1 Numbers

Hoor eats 3/8 of her cake. What fraction of the cake does she have left?

Answer = ______ (Example: a/b)

There are 30 apples in basket. 5/6 of the apples are brown. How many brown apples are in the basket?

Answer = _______ brown apples

There are 20 students in a class. 9 of them are boys and the rest are girls . What percentage of the class are girls?

Answer = _______%

A bag contains 51 marbles. How many pieces of the marbles is 100%?

Answer = _______ pieces

If B is the reflection of A. Where the mirror line?

X = ______

A plate costs 1.1 OMR and a spoon costs 0.86 OMR. Which item is more expensive?

Answer = The _______

3/7 of the total memory space of a flash is used. If the size of the unused space is 20 gigabytes. What is the size of the memory card?

Answer = _______ gigabytes

The mass of a cup is 0.002g. What is the mass of 10,000 cups? Write your answer in kg

Answer = _______ kg