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Test: Calculating percentages - Year 7 MCQ


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10 Questions MCQ Test - Test: Calculating percentages

Test: Calculating percentages for Year 7 2024 is part of Year 7 preparation. The Test: Calculating percentages questions and answers have been prepared according to the Year 7 exam syllabus.The Test: Calculating percentages MCQs are made for Year 7 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Calculating percentages below.
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Test: Calculating percentages - Question 1

To find the result of decreasing a number by 7% you multiply it by .......

Detailed Solution for Test: Calculating percentages - Question 1
Percentages are easily converted to decimals. Just divide by 100 (or move digits)
Test: Calculating percentages - Question 2

What is 10% of 50?

Detailed Solution for Test: Calculating percentages - Question 2

To find 10% of 50, multiply 50 by 0.1. 50 × 0.1 = 5.

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Test: Calculating percentages - Question 3

45 is 15% of what number?

Detailed Solution for Test: Calculating percentages - Question 3

To find the whole, divide 45 by 0.15. 45 ÷ 0.15 = 300.

Test: Calculating percentages - Question 4

What is 35% of 120?

Detailed Solution for Test: Calculating percentages - Question 4

To find 35% of 120, multiply 120 by 0.35. 120 × 0.35 = 42.

Test: Calculating percentages - Question 5

60 is 75% of what number?

Detailed Solution for Test: Calculating percentages - Question 5

To find the whole, divide 60 by 0.75. 60 ÷ 0.75 = 80.

Test: Calculating percentages - Question 6
A train's top speed is 140 mph. After a service, its top speed increases by 12%. What is the new top speed?
Detailed Solution for Test: Calculating percentages - Question 6
A 12% increase is a multiplier of 1.12. 1.12 x 140 = 156.8
Test: Calculating percentages - Question 7

If an item costs $80 and is marked down by 30%, what is the sale price?

Detailed Solution for Test: Calculating percentages - Question 7

First, calculate 30% of $80 by multiplying $80 by 0.30. 80 × 0.30 = 24.

Subtract the discount from the original price: 80 − 24 = 56.

Test: Calculating percentages - Question 8

If a bicycle costs $120 and is on sale for 15% off, how much will it cost?

Detailed Solution for Test: Calculating percentages - Question 8

First, calculate 15% of $120 by multiplying $120 by 0.15. 120 × 0.15 = 18.

Subtract the discount from the original price: 120−18=102.

Test: Calculating percentages - Question 9
To find the result of increasing a number by 66% you multiply it by .......
Detailed Solution for Test: Calculating percentages - Question 9
Calculations are much easier if a multiplier is used
Test: Calculating percentages - Question 10

What is 40% of 90?

Detailed Solution for Test: Calculating percentages - Question 10

To find 40% of 90, multiply 90 by 0.40. 90 × 0.40 = 36.

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