Mathematics & Logic
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706
Three numbers are in the ratio 1:2:3 and their HCF is 12. Find the numbers.
Easy
Mathematics & Logic
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707
A dealer marks his goods 20% above the cost price and allows a discount of 10%. What is his gain percentage?
Medium
Mathematics & Logic
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708
The average of 5 consecutive odd numbers is 15. What is the smallest number?
Medium
Mathematics & Logic
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709
A person travels at 4 km/h for the first half of a distance and at 6 km/h for the second half. What is the average speed?
Hard
Mathematics & Logic
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710
If the length of a rectangle is increased by 20% and its breadth is decreased by 10%, what is the percentage change in its area?
Medium
Mathematics & Logic
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711
If A:B = 3:4 and B:C = 8:9, what is the ratio A:C?
Medium
Mathematics & Logic
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712
In the binary system, what is the decimal value of 1011?
Medium
Computer, Mathematics & Logic
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713
A sum of ₹5,000 becomes ₹6,050 in 2 years at compound interest. What is the annual rate of interest?
Hard
Mathematics & Logic
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714
If the cost price of 10 articles is equal to the selling price of 8 articles, what is the profit percentage?
Medium
Mathematics & Logic
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715
The price of sugar rises by 25%. By how much percent should a household reduce consumption to keep the expenditure same?
Medium
Mathematics & Logic
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716
The ratio of the area of two squares is 9:16. What is the ratio of their perimeters?
Easy
Mathematics & Logic
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717
In a family of 6, the average age is 25 years. If the youngest member is 5 years old, what was the average age of the family just before his birth?
Hard
Mathematics & Logic
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718
A car covers 300 km in 5 hours. What is its speed in m/s?
Medium
Mathematics & Logic
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719
In a mixture of 45 liters, the ratio of milk and water is 4:1. If 5 liters of milk is added, what will be the new ratio?
Hard
Mathematics & Logic
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720
A sum of ₹12,500 amounts to ₹15,500 in 4 years at the rate of simple interest. What is the rate of interest?
Medium
Mathematics & Logic
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