Mathematics Quiz

Eight men can complete a task in 16 days. How long will it take 4 men to finish the same task?

• 24 days

• 32 days

• 16 days

• 8 days

Reduce the fraction 56/84 to its lowest terms.

• 2/3

• 4/6

• 7/10

• 2/7

Express 0.0000532 in standard form.

• 5.32×10−5

• 5.32×10−4

• 0.532×10−4

• 53.2×10−6

Round off 0.84629 to 2 significant figures.

• 0.84

• 0.85

• 0.846

• 0.83

There are 48 pupils in a class. If 12 are absent, what percentage of the class is absent?

• 209%

• 25%

• 30%

• 15%

If x=4, which of the following equations is correct?

• 7x+8=36

• 7x−2=26

• 3+x2=20

• 10=−x+14

Find the difference between the LCM of 18 and 24 and the HCF of 30 and 42.

• 66

• 60

• 68

• 64

Simplify: 7a−15b+3a+8b.

• 10a−7b

• 10a+7b

• 4a−7b

• 4a+7b

If x=3, y=2, and z=4, calculate the value of 2x2−3y+4z.

• 30

• 28

• 26

• 24

Which inequality represents all numbers greater than 5?

• x>5

• x≥5

• x<5

• x≤5