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- A conical tent of height 10m and base diameter 48m was erected by a company in a park. Find the curved surface area of the tent (in m²).
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- If Arun’s salary was decreased by 50% and subsequently increased by 50%, then how much per cent did he lose?
- A sum of ₹16,000 invested at compound interest, amounts to a ₹21.160 in two years. What is the rate per cent per annum?
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- What is the remainder when 220 is divided by 3?
- A vehicle moves at 65 km/h for 4 hours before slowing down to 52 km/h for the next 2.5 hours. Calculate the average speed.
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