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

By selling an umbrella for Rs. 300, a shop keeper gains 30%.

Two trains are running at 40 kmph and 20 kmph respectively in the same direction.Fast train completely passes a man sitting in the slower train in 6 seconds.What is the length of the fast train?

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If a particular player is never chosen, in how many ways can 11 cricket players be chosen out of 17 players?

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Bus 1 and Bus 2 run between cities A and B.

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A tap can fill a tank in 4 hours.

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Each of the integers from 0 to 9, inclusive, is written on a separate slip of blank paper and the ten slips are dropped into hat.

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If you are a genius, you can solve it easily.

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The salary of a typist was at first raised by 10% and then the same was reduced by 5%.

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John has x dollars more than Peter has, and together they have a total of y dollars.

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If n! and (n + 1)! have the same units digit, then n can be which of the following?

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Which of the following lines is perpendicular to y = − 2x + 3 and has the same y-intercept as y = 2x − 5?

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What is the minimum number of square marbles required to tile a floor of length 5 metres 78 cm and width 3 metres 74 cm?

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A family consist of a grandfather, 5 sons and daughter and 8 grandchildren.

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What least number must be subtracted from 3830 so that the remaining number is divisible by 15?

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Find the odd man out 864, 420, 200, 93, 40, 16, 6

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Four friends decided to go on a vacation to a hill station.

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If x=2y=z, what is x-y, in terms of z?

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Seven dierent playing cards, with values from ace to seven, are shued and

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A certain roller coaster has 7 cars, and a passenger is equally likely to ride in any 1 of the 7 cars each time that passenger rides the roller coaster.

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In an IT company, there are a total of 100 employees including 50 programmers.

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What is the lowest positive integer that is divisible by each of the integers 1 through 11 inclusive?

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A train ,130 meters long travels at a speed of 45 km/hr crosses a bridge in 30 seconds.

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A certain taxi company charges $2.50 for the first 1/5 of a mile plus $0.40 for each additional 1/5 of a mile.

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Find √? /18 = 4 ?

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