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Q. A, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they will complete the same work in
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Q. If each edge of a cube is increased by 50%, find the percentage increase in Its surface area
Q. The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is:
Q. If the cost price of 12 pens is equal to the selling price of 8 pens, the gain percent is ?
Q. A person crosses a 600 m long street in 5 minutes, What is his speed in km per hour?
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