PRACTISE questions

When I divide 48 by the sum of 5 and a certain number, the result is 3. What is the number?

• 11

• 16

• 119

• 139

Evaluate 11011 in binary.

• 110010

• 101101

• 111011

• 100111

Subtract 247 from 5432 and leave your answer in base 8.

• 5163

• 4565

• 3456

• 1163

The product of a certain number and 7 equals twice the number subtracted from 36. Find the number.

• 2

• 3

• 4

• 5

0.009238 to 3 significant figures is

• 0.01

• 0.009

• 0.00923

• 0.00924

Efecan travel 45 km in 3 hours using his bicycle. How many kilometers can he travel in 10 hours?

• 120 km

• 150 km

• 155 km

• 160 km

Calculate the reciprocal of 0.05.

• 5

• 20

The next term in the sequence: 1, 4, 10, 19, 31... is

• 32

• 34

• 43

• 46

8.048 to the nearest tenth is:

• 8.1

• 8.0

• 8.05

• 8.04

Five workers dig a piece of ground in 8 days. How long will it take 10 workers to do the same work?

• 10 days

• 8 days

• 5 days

• 4 days