If one of the roots of the quadratic equation x^2+mx+24= 0 is x=1.5, then what is the value of m ?

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It takes 10 days for 4 boys to complete a piece of work. The same work can be completed by 7 girls in 10 days. If 3 boys and 5 girls work in together, approximately how many days will they need to complete the work ?

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A bus travelling at a speed of 5 km/hour, takes 3 hours to complete a distance. If it takes 4 hours to complete the same distance by your car, what is your speed ?

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When the speed is increased by 4 miles per hour, it takes for our less to cover a distance of 32 km. Find the previous speed.

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A mixture contains 2/5 of element A and 3/5 of element B. When 5ml of A is added to the mixture, the proportion of B in the mixture changes to 1/5. What amount of A was originally present in the mixture before the addition was made ?

Created: 2 months ago | Updated: 1 month ago
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The radius of a circle is increased so that and circumference by 5%. The area of the circle will be increased by.

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