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Q1. The speed of a boat in still water is 12 km/hr. The speed of the stream is 4 km/hr. What is the speed of the boat downstream?
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Q2. By what percentage is 80 less than 100?
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Q3. A train travels 120 km in 2 hours. What is its average speed in km/hr?
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Q4. If the cost price of an item is Rs. 1000 and the selling price is Rs. 900, what is the percentage loss?
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Q5. What is the ratio of revenue from Movie X to Movie Y in City S?
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Q6. What is the maximum number of edges in a planar graph with V vertices?
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Q7. A can do a job in 18 days. B can do it in 24 days. C can do it in 30 days. They start the job together. After 4 days, A leaves. After another 3 days, B leaves. In how many days will C finish the remaining work?
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Q8. If a transversal intersects two parallel lines, then the exterior angle is equal to the interior opposite angle, which is also known as:
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Q9. The average of 3 numbers is 15. The sum of these numbers is:
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Q10. A, B, and C can do a work in 10, 15, and 30 man-days respectively. They started the work together, but C left 2 man-days before the completion. A worked for 3/4 of the time that B worked. If the total amount paid is ₹3000, what is the share of A?
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Q11. The marks obtained in English are what percentage of the marks obtained in History?
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Q12. The average of 5 numbers is 27. If one number is excluded, the average becomes 25. What is the excluded number?
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Q13. What is the area of a circle with radius 3 cm (use π = 3.14)?
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Q14. A pie chart shows the distribution of 800 employees in a company across different departments. If the 'Sales' department has 25% of the employees, and the 'Marketing' department has 15% of the employees, what is the ratio of the number of employees in Sales to Marketing?
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Q15. A bar graph shows the number of passengers who traveled by express and local trains on different days of the week. If the total number of passengers who traveled by express trains on Friday was 5000 and the number who traveled by local trains on Saturday was 7000, and the ratio of express to local passengers on Friday was 2:3, what was the number of passengers who traveled by express trains on Saturday?
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Q16. What is the perimeter of a square with area 64 sq cm?
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Q17. A bar graph shows the number of vehicles (cars, bikes, trucks) sold by a dealership over five months. Month 1: Cars-50, Bikes-100, Trucks-20. Month 2: Cars-60, Bikes-110, Trucks-25. Month 3: Cars-70, Bikes-120, Trucks-30. Month 4: Cars-55, Bikes-105, Trucks-22. Month 5: Cars-65, Bikes-115, Trucks-28. What is the average number of bikes sold per month?
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Q18. A line graph shows the profit of a company over several years. If the profit in year 3 was Rs. 20,000 and in year 6 was Rs. 35,000, what is the increase in profit from year 3 to year 6?
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Q19. When dealing with data in thousands (e.g., 50K), what is the shortcut for addition?
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Q20. In VSEPR theory, what is the correct order of repulsion strength for electron domains?
