OLNA - Online Literacy and Numeracy Assessment Numeracy: Number and Algebra Questions and Answers

Question 1

A recipe for concrete requires cement, sand, and gravel in the ratio of 1:2:4. If a builder uses 10 bags of sand, how many bags of gravel will be needed?

Accepted Answer

20 bags

Answer

5 bags

Answer

10 bags

Answer

40 bags

Question 2

A smartphone is on sale for 20% off its original price. If the original price was $850, what is the sale price?

Accepted Answer

$680

Answer

$170

Answer

$750

Answer

$830

Question 3

Which of the following calculations results in the smallest value?

Accepted Answer

30 - 36 ÷ 3

Answer

15 + (5 x 2)

Answer

8 x (9 - 5)

Answer

50 ÷ 2 - 10

Question 4

A catering company charges a flat fee of $150 plus $25.50 per person. If 'p' represents the number of people, which equation correctly calculates the total cost (C)?

Accepted Answer

C = 25.50p + 150

Answer

C = 150p + 25.50

Answer

C = 150 - 25.50p

Answer

C = 175.50p

Question 5

Kaelan's bank account balance was -$45.60. He then deposited $100 into the account. What is his new bank account balance?

Accepted Answer

$54.40

Answer

$145.60

Answer

-$145.60

Answer

-$54.40

Question 6

A survey of 200 students found that 3/4 of them play a sport. How many students do not play a sport?

Accepted Answer

50

Answer

150

Answer

75

Answer

100

A recipe for concrete requires cement, sand, and gravel in the ratio of 1:2:4.If a builder uses 10 bags of sand, how many bags of gravel will be needed?

A recipe for concrete requires cement, sand, and gravel in the ratio of 1:2:4.
If a builder uses 10 bags of sand, how many bags of gravel will be needed?