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

300 meter long train crosses a platform in 39 seconds while it crosses a signal pole in 18 seconds.

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The distance from the x-axis to point P is half the distance from the y-axis to point P.

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In a group of 650 readers who read science fiction or literacy works or both, 250 read science fiction and 550 read literacy works.

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9, 16, 22, 25, 36,49

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What percent of 60 is 120?

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If a certain number is divided by 5, the quotient, dividend, and divisor, added together, will amount to 65.

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A project has three test cases.

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The banker's gain on a bill due due 1 year hence at 12% per annum is Rs.7.2.

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In the next Cricket World Cup T-20, Team A has decided to score 200 runs only through 4s and 6s.

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A photo-mat shop charges $0.60 for the first photo inside a film, and 40% cents less for each additional photo.

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1000 men have provisions for 20 days.

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The cost C, in dollars, to remove p percent of a certain pollutant from a pond is estimated by using the formula C = 100,000p/(100 - p).

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A fair sided die labeled 1 to 6 is tossed three times.

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How many leading zeros (zeros after the decimal point but before the first nonzero digit of a number) are in 1/7!?

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How many 6's are there in the following number sequence which are immediately preceded by 9 but not immediately followed by 4 ?

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In a jar there are balls in different colors: blue, red, green and yellow.

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If after 200 grams of water were added to the 15%-solution of alcohol, the strength of the solution decreased by one-third, how much of the 15%-solution was used?

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Find the unknown term X,8,6,2,-4, -12

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How many even integers n, such that 20

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If it takes 4 identical printing presses exactly 6 hours to print 8,000 newspapers, how long would it take 2 of these presses to print 6,000 newspapers?

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The sum of two consecutive integers is 41.

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If 85 percent of the test takers taking an old paper and pencil GMAT exam answered the first question on a given math section correctly, and 70 percent of the test takers answered the second question correctly, and 5 percent of the test takers answered neither question correctly, what percent answered both correctly?

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There are 60 supermarkets in the FGH chain.

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Joe needs to paint all the airplane hangars at the airport, so he buys 360 gallons of paint to do the job.

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