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Year 8 Exam  >  Year 8 Tests  >  Year 8 Mathematics (Cambridge)  >  Test: Indices - Year 8 MCQ

Test: Indices - Year 8 MCQ


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10 Questions MCQ Test Year 8 Mathematics (Cambridge) - Test: Indices

Test: Indices for Year 8 2024 is part of Year 8 Mathematics (Cambridge) preparation. The Test: Indices questions and answers have been prepared according to the Year 8 exam syllabus.The Test: Indices MCQs are made for Year 8 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Indices below.
Solutions of Test: Indices questions in English are available as part of our Year 8 Mathematics (Cambridge) for Year 8 & Test: Indices solutions in Hindi for Year 8 Mathematics (Cambridge) course. Download more important topics, notes, lectures and mock test series for Year 8 Exam by signing up for free. Attempt Test: Indices | 10 questions in 20 minutes | Mock test for Year 8 preparation | Free important questions MCQ to study Year 8 Mathematics (Cambridge) for Year 8 Exam | Download free PDF with solutions
Test: Indices - Question 1
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How many days are there in 29 x 33 x 54 seconds?

Detailed Solution for Test: Indices - Question 1

Divide by 60 x 60 = 24 x 32 x 52 to find the hours, then divide by 24 = 23 x 31 to find days

Test: Indices - Question 2
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A pond plant doubles its surface area every four days. If it covered an area of 20 cm2 on 17th June, what is its area on 15th July?

Detailed Solution for Test: Indices - Question 2

'30 days hath September, April, June and November .......' so the plant has been growing for 28 = 4 x 7 days; 20 x 27

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Test: Indices - Question 3
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What is 0.24 as a power of 5?

Detailed Solution for Test: Indices - Question 3

0.2 = 1/5 = 5-1

Test: Indices - Question 4
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John started a savings account with a deposit of £500 at 1.5% compound interest per year. How much (to the nearest 1p) is the account worth after three years?
Detailed Solution for Test: Indices - Question 4

After 1 year 500 x 1.015; after 3 years 500 x 1.0153

Test: Indices - Question 5
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What index number must follow 3 to give 6,561?
Detailed Solution for Test: Indices - Question 5

6,561 = 81 x 81 = 34 x 34

Test: Indices - Question 6
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What is 232323?
Detailed Solution for Test: Indices - Question 6

232323 means 2 multiplied by itself 3 times, which equals 8.

Test: Indices - Question 7
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What is the result of 24 x 83?
Detailed Solution for Test: Indices - Question 7

Convert 83 to a power of 2 before adding the indices

Test: Indices - Question 8
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What is 5 − 25-2 5−2?
Detailed Solution for Test: Indices - Question 8

5−2 represents the reciprocal of 52 Therefore,

Test: Indices - Question 9
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How many litres will fill a cube of side length 25 cm?
Detailed Solution for Test: Indices - Question 9

253 ÷ 1,000 = 56 ÷ 103. Remember 1,000 cm3 = 1 litre

Test: Indices - Question 10
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Which of the following expressions is equivalent to 43 × 45?
Detailed Solution for Test: Indices - Question 10

When multiplying powers with the same base, you add the exponents. Therefore,43 × 45 = 43+5 = 48

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Indices MCQs with Answers

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