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

During the first two weeks of January, the total rainfall in Springdale was 20 inches.

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Debbie had 5 1/2 yards of ribbon.

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If 20 men can build a wall 66 metres long in 4 days, what length of a similar can be built by 86 men in 8 days?

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As part of a promotion designed to attract visitors, an amusement park gives out 24,600 free tickets per year.

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The average (arithmetic mean)W of the four distinct positive integers p, q, s and t is x.

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Machine A produces 100 parts twice as fast as Machine B does.

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Mr Yadav spends 60% of his monthly salary on consumable items and 50% of the remaining on clothes and transport.

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Which of the following cannot be the sum of 3 different prime numbers?

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7.007/2.002 =

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A merchant purchased a jacket for $90 and then determined a selling price that equaled the purchase price of the jacket plus a markup that was 25 percent of the selling price.

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In an effort to plan out expenses, the Roberts family is representing its annual budget as a circle graph.

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A cube has a volume of 343 cubic feet.

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Given that A and B are events such that

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3/4 of a number is 19 less than the original number.

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Five years ago, the average age of A and B was 15 years.

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Which of the following lines has x-intercept and y-intercept that are integers T?

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A researcher computed the mean, the median, and the standard deviation for a set of performance scores.

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sahar travels the first 7 hours of his journey at 50 mph speed and the remaining 8 hours at 40 mph speed.

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At a certain amateur bands rock show the ratio of freaks to nerds to geeks is 1:2:3.

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When she chooses a password, Eloise

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Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph.

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If the ratio of a to b is 8 to 3 and the ratio of b to c is 1 to 5, what is the ratio of a to c?

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Andrew travelling to 7 cities.

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A sum of money lent out at S.I. amounts to Rs. 780 after 2 years and to Rs. 1020 after a further period of 5 years.

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