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

Mary decided to save a certain amount of her monthly salary each month and her salary was unchanged from month to month.

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If Tim had lunch at $50.50 and he gave 40% tip, how much did he spend?

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tipli and pikli are a married couple (dont ask me who he is and who she is)

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Each shelf of a bookcase contained 12 books.

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What is the twenty-eighth decimal to the right in the fraction 32/33?

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what is rate of interest if principal.amount be 400,simple interest 180 and time 2year.

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If a population of women in a town is 90% of men .

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A clock shows the time as 3:30 P.m.

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$200 is divided amongst A,B and C so that A may get 2/3 as much as B and C together, B may get 6/9 as much as A and C together, then the share of A is

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Find the C.I. on a sum of Rs.2000 for 6 months at 20% per annum, interest being compounded quarterly?

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If there are 2 wheelers and 4 wheelers parked in a school located at the heart of the city, find the number of 4 wheelers parked there if there were 58 wheels are parked there

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If on an item a company gives 25% discount, they earn 25% profit.

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If X:Y = 8:9 and Y:Z = 5:2 then X:Y:Z is

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A shopkeeper loses 15%,if an article is sold for Rs.

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Machine A can do a certain job in 8 hours.

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To furnish a room in a model home an interior decorator is to select 2 chairs and 2 tables from the collection of chairs and tables in a warehouse that are all different from each other.

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0.012 x 0.5 = ?

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If y is the smallest positive integer such that 7350 multiplied by y is the square of an integer, then y must be

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There are 24 different four-digit integers than can be formed using the digits 2, 3, 4 and 5 exactly once in each integer.

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Of the films Empty Set Studios released last year, 60% were comedies and the rest were horror films. 75% of the comedies were profitable, but 75% of the horror moves were unprofitable.

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A hall 36m long and 15m broad is to be paved with stones, each measuring 6dm by 5 dm.

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A glucose solution contains 15 grams of glucose per 100 cubic centimeters of solution.

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In a digital circuit which was to implement (A B) + (A)XOR(B), the designer implements (A B) (A)XOR(B) What is the probability of error in it ?

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Convert the 10/36 m/s into kilometers per hour?

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