Mathematics & Logic
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646
Find the average of all prime numbers between 10 and 25.
Medium
Mathematics & Logic
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647
A train 150m long is running at a speed of 68 km/h. How much time will it take to pass a man who is running at 8 km/h in the same direction?
Hard
Mathematics & Logic
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648
A container contains 40 litres of milk. From this, 4 litres of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container?
Hard
Mathematics & Logic
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649
A boat can travel with a speed of 13 km/h in still water. If the speed of the stream is 4 km/h, find the time taken by the boat to go 68 km downstream.
Medium
Mathematics & Logic
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650
A person crosses a 600m long street in 5 minutes. What is his speed in km/h?
Medium
Mathematics & Logic
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651
The average of 7 consecutive numbers is 20. The largest of these numbers is:
Medium
Mathematics & Logic
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652
In a certain code 'TEACHER' is written as 'VGCEJGT'. How is 'STUDENT' written in that code?
Medium
Mathematics & Logic
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653
What is the value of $(10^3 imes 10^2) / 10^4$?
Easy
Mathematics & Logic
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654
A car travels at 60 km/h for the first 2 hours and 40 km/h for the next 3 hours. What is the average speed of the car?
Medium
Mathematics & Logic
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655
Find the simple interest on ₹5,000 at 8% per annum for 9 months.
Easy
Mathematics & Logic
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656
A train 150m long is running at 72 km/h. How much time will it take to pass a telegraph post?
Medium
Mathematics & Logic
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657
If the ratio of the salaries of A, B, and C is 2:3:5 and their salaries are increased by 15%, 10%, and 20% respectively, what will be the new ratio of their salaries?
Hard
Mathematics & Logic
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658
Average of five numbers is 20. If each number is multiplied by 2, what will be the new average?
Medium
Mathematics & Logic
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659
If the ratio of the areas of two squares is 9:16, then the ratio of their perimeters is:
Medium
Mathematics & Logic
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660
A sum of ₹10,000 is invested for 2 years at 10% per annum compound interest. What will be the interest amount?
Medium
Mathematics & Logic
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