Math & IQ competetion P1

A square has a perimeter of 48 cm. What is its area?

• 121 cm²

• 144 cm²

• 256 cm²

• 324 cm²

Which number does not belong?
 25, 49, 64, 81, 121

• 25

• 49

• 64

• 121

A farmer has 17 cows, and all but 9 run away. How many does he have left?

• 8

• 9

• 17

• 0

A cube has a volume of 125 cm³. What is the length of one side?

• 4 cm

• 5 cm

• 6 cm

• 7 cm

If 2x + 3 = 15, what is 4x?

• 18

• 20

• 24

• 28

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A shopkeeper buys an item for $60 and sells it for $75. What is the profit percentage?

• 15%

• 20%

• 25%

• 30%

A number divided by 3 gives 15. What is the number?

• 30

• 45

• 60

• 75

Which fraction is largest (in value)?

• 1/2

• 2/5

• 3/7

• 4/9

A triangle has angles 50° and 60°. What is the third angle?

• 50°

• 60°

• 70°

• 80°