Question
What is the gauge type of the Darjeeling Himalayan
Railway?Solution
Solution: The Darjeeling Himalayan Railway operates on narrow gauge (610 mm), suitable for mountainous regions.
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If the height of a cylinder becomes triple and radius is decreased by 20%, then what is the percentage change in its volume?
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- The curved surface area of a cylindrical pipe is 990 cm². If the height of the pipe is 15 cm, then find the diameter of the pipe.
