Problem solving

Find the missing number.

9, 10, ?, 15, 19

• 12

• 10

• 15

• 13

Answer explanation

1 is added to the first number, 2 to the second, etc.

Which word does not belong?

• Wool

• Silk

• Cotton

• Wood

Answer explanation

Wool, Silk and Cotton are textiles.

4 friends have 9 cupcakes: they buy 7 more and are also given an additional 8 cupcakes. They split the cupcakes equally - how many each will they get?

• 6

• 8

• 4

• 5

Answer explanation

24 divided by 4.

Find the missing letter:

A, C, ?, G, I

• B

• D

• E

• F

Answer explanation

Missing one letter between each.

Which has the highest value?

• 0.5/0.75

• 0.7

• 4/6

• 35% of 1.5

Answer explanation

0.67, 0.52, 0.67, 0.7

Find the missing number:

2, 12, 60, 240, ?

• 480

• 540

• 720

• 380

Answer explanation

First number x 6, next is x 5, next is x4, next is x3.

What is 9 multiplied by 8.

• 64

• 74

• 72

• 70

How many months have 28 days?

• 1

• 11

• 12

• All of them

How many degrees are there in a right angle?

• $45\degree$

• $180\degree$

• $90\degree$

• $100\degree$

How many degrees are there on a straight line?

• $90\degree$

• $120\degree$

• $360\degree$

• $180\degree$