Question 1
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If a number decreases by 25% and then increases by 20%, what is the result?
Mathematics Quiz
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Question 2
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In a 300 m race, A beats B by 22.5 m or 6 seconds. What is B’s time?
Question 3
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P and Q complete work in 20 and 12 days. Time together is ____.
Question 4
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If the population increases by 10% annually, what is the increase in 2 years?
Question 5
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A train 100 m long passes a pole in 5 seconds. Speed is ____.
Question 6
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The speed of a car is 60 km/h. Distance covered in 2 hours ____.
Question 7
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The radius of a semicircle is 6.3 cm. Find its perimeter.
Question 8
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A worker’s salary increased by 30% and then decreased by 30%. Net change is ____.
Question 9
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A 20% reduction in the price of rice allows a person to buy 3.5 kg more for the same money. What is the original price per kg?
Question 10
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The value of 700² ____.
Question 11
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75% of a number added to 75 equals the number. Find the number ____.
Question 12
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An umbrella marked Rs. 80 sold at Rs. 68. What is the discount percent?
Question 13
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A tank 3 m long, 2 m wide, and 1.5 m deep is dug. If soil is spread over a field, what is the rise in level?
Question 14
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A number is increased by 20% and then decreased by 20%. What is the net change?
Question 15
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421 × 0.9 + 130 × 101 + 10000 = ____.
Question 16
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After decreasing 24% price decrease, the article costs Rs. 912. Find original price.
Question 17
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In a zoo, the total number of heads is 60. Animals are rabbits and peacocks. Find count.
Question 18
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Bilal can complete the work in 15 days, and Jalal in 12 days. In 4 days, what fraction of the work is done?
Question 19
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The value of √16900 ____.
Question 20
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If the HCF of two numbers is 5 and their LCM is 120, what is the sum of the numbers if one is 25?