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Deepak BoraNewbie

Asked: July 16, 2020In: CBSE, ICSE

A two digit number is such that the product of the digits is 12. When 36 is added to the number, the digits interchange their places. Find the number.

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find a two digit number, quadratic equations word problem.

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Deepak BoraNewbie

Asked: July 13, 2020In: ICSE

To fill a swimming pool two pipes are to be used . If the pipe of the larger diameter is used for 4 hours and the pipe of the smaller diameter is used for 9 hours, only half of the pool can be filled. Find how long it would take for each pipe to fill the pool separately , if the pipe of the smaller diameter takes 10 hours more than the pipe of the larger diameter to fill the pool

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Word problems on quadratic equation in one variable .