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This is a SAMPLE test for Grade: 8, Subject: Math |
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Test Topic(s):
Number and Number Sense, Number Manipulation, Order decimals, Fractions, Percents, and Scientific Notation |
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| Question 1:
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| Five-ninth of 6.3 × 1019 = ______ |
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| Question 2:
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| A plant grows 2.75 times every month. Gardner trims 50% of its height every month on last day of the month. The plant was 100 cm tall on Jan 1st. How tall will it be on March 31st after trimming? |
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| Question 3:
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| Company ABC has to spend $65 for every $100 they receive by selling computer hardware. They have to pay 25% tax on the profit. How many dollars for every $100 do they finally receive as profit after tax? |
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| Question 4:
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| A colony of bacteria had a population of 5.92 × 108. The population doubled during first week. Next week, after a treatment the population reduced by 95%. What is the population of bacteria now? |
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| Question 5:
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| What is 55.5% of 7.98 × 1012? |
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| Question 6:
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| Size of a galaxy is increasing 25% every year. Its current size is 5 × 1016 km; approximately how large will it be after 3 years? |
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| Question 7:
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| Which of these numbers is bigger than 3,000,000? |
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| Question 8:
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| There were 8 × 108 pathogens in a sample. Number of pathogen increased to 1.2 × 109. What was the increase in percentage? |
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| Question 9:
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| Price of a candy increased from 0.5 dollar to 0.65 dollar. Write this increase in % terms. |
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| Question 10:
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| Mark receive three fourth of a treasure. He gave 25% to his son, 35% to his daughter and rest to the charity. What fraction of the original treasure did the charity get? |
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