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Q12.The image shows the profile of the blade which is designed to turn a wooden block, rotating about the axis PQ. Calculate the volume of the turned wooden block between P and Q. Consider the value of π to be 22/7.
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Q14.A series of matchstick images are shown below with numbers 8, 10, 11, 13, 14, 17 and a question mark. What number should replace the question mark?
UCEED2023Q13·nat·Hard
A blue colour liquid is used completely to make a star shaped jelly using the mould shown on the right. What is the value of 'X' in cm? Ignore the wall thickness of the mould and consider the value of π to be 22/7.
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