Fractions, Decimals & Percentages – Hard Challenge

Math

Advanced problems involving conversions, operations, comparisons, and multi-step reasoning with fractions, decimals, and percentages.

100 XP

Reward

20

Questions

5–10 min

Time

Q1 Question 1 of 20

Which of the following is equal to 7/12 as a decimal?

0.58 0.5833 0.6 0.75

Q2 Question 2 of 20

What percent is equivalent to 11/20?

45% 50% 55% 60%

Q3 Question 3 of 20

Which fraction is largest: 5/8, 3/4, or 7/10?

5/8 3/4 7/10 They are all equal

Q4 Question 4 of 20

What is 0.375 expressed as a fraction in simplest form?

3/10 3/8 5/12 7/20

Q5 Question 5 of 20

What is 45% of 160?

68 72 75 80

Q6 Question 6 of 20

Compute: 3/4 ÷ 2/5

6/20 15/8 7/8 8/15

Q7 Question 7 of 20

Convert 0.008 to a fraction.

1/12 1/125 1/80 1/250

Q8 Question 8 of 20

Which is greater: 0.62 or 5/8?

0.62 5/8 They are equal Not enough information

Q9 Question 9 of 20

Increase 80 by 12.5%.

88 90 92 100

Q10 Question 10 of 20

What is 18% as a simplified fraction?

18/100 9/50 3/25 1/8

Q11 Question 11 of 20

Compute: 0.48 ÷ 0.12

3 4 6 8

Q12 Question 12 of 20

Convert 3.6% to a decimal.

0.36 0.036 0.0036 0.00036

Q13 Question 13 of 20

What is 5/6 × 3/10?

1/6 1/4 3/10 5/9

Q14 Question 14 of 20

A price increases from $240 to $300. What is the percent increase?

20% 25% 30% 35%

Q15 Question 15 of 20

Convert 11/16 to a decimal (nearest thousandth).

0.685 0.688 0.695 0.7

Q16 Question 16 of 20

What is 0.14 × 0.25?

0.0035 0.035 0.35 0.14

Q17 Question 17 of 20

Simplify: 1 3/4 ÷ 7/8

1 2 2.25 3

Q18 Question 18 of 20

Which is equivalent to 0.0045?

45/1000 45/10000 9/1000 1/200

Q19 Question 19 of 20

What percent of 250 is 17.5?

5% 7% 9% 12.5%

Q20 Question 20 of 20

Convert 128% into a decimal.

0.128 1.28 12.8 1.0128

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