Q&Answers: Math/Chemistry/Physics Problems + Solutions

An engineer designed a ball so that when it was dropped, it rose with each bounce exactly one-half as high as it had fallen.

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A can do a work in 24 days and B can do it in 8 days.

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A gambler bought $5,000 worth of chips at a casino in denominations of $20 and $100.

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What is the ratio whose term differ by 50 and the measure of which is 2/7?

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The average (arithmetic mean) of 16 students first quiz scores in a difficult English class is 62.5.

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By selling a house for Rs.45000, it was found that 1/8 of the outlay was gained, what ought the selling to price to have been in order to have lost 5 p.c?

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If $1092 are divided between worker A and worker B in the ratio 5:8,what is the share that worker B will get?

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The public library has exactly 2 floors.

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The two lines y = x and x = -4 intersect on the coordinate plane.

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A straight line in the xy- plane has y-intercept of 79 and slope of 6.

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Find the value of * in the following

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A car covers a distance of 624 km in 4 hours.

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7500 + (1250 / 50)

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A driver paid n dollars for auto insurance for the year 1997.

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Two sides of a triangle have lengths x and e and meet at a right angle.

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Sebastian bought a meal at a restaurant

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A amount doubles itself in 15 years. what is the rate of interest?

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In a certain appliance store, each model of television is uniquely designated by a code made up of a particular ordered pair of letters.

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The number of stamps that P and Q had were in the ratio of 7:3 respectively.

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Solution Y is 30 percent liquid X and 70 percent water.

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For all real numbers v, an operation is defined by the equation v* = v - v/3.

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The instructions state that Cheryl needs 4/9 square yards of one type of material and 2/3 square yards of another type of material for a project.

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If a and b are integers and (a*b)^5 = 144y, y could be:

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How many of the positive factors of 25 , 15 and how many common factors are there in numbers?

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