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

From the following choice, what is the equation of a line whose x-intercept is half as that of line 3x+4y=12 and y-intercept twice of same

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Sachin is younger than Rahul by 7 years.

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If b> 0, a> 0, and (b^2)a= b,then which of the following MUST equal b?

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If a train, travelling at a speed of 18 kmph, crosses a pole in 5 sec, then the length of train is?

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In one hour, a boat goes 15 km/hr along the stream and 11 km/hr against the stream.

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A batsman makes a score of 66 runs in the 17th inning and thus increases his averages by 3.

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In what ratio must wheat at Rs.3.20 pe rkg be mixed with wheat at Rs.2.90 per kg so that the mixture be worth Rs.3.08 per kg

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Timothy leaves home for school, riding his bicycle at a rate of 6 miles per hour.

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There is a sequence A(n) such that A(n+1)=2A(n)-1 and A(1)=3, where n is a positive integer.

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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 7 p.c?

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The G.C.D. of 1.08, 0.36 and 0.6 is:

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In order to fence a square Manish fixed 48 poles.

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If 0.75 : x :: 3 : 8, then x is equal to:

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The cost of 3 kg of sugar is $90.

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Nitin borrowed some money at the rate of 4% p.a. for the first three years, 9% p.a. for the next five years and 13% p.a. for the period beyond eight years.

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The Average of 11 results is 16, if the average of the 1st 6 results is 58 & that of the last 63.

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A certain country had a total annual expenditure of $4.8 x 10^11 last year.

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If Q is an odd number and the median of Q consecutive integers is 140, what is the largest of these integers?

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The ratio of two quantities is 1 to 4.

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If the sum of 7 consecutive integers is x, which of the following must be true?

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In a certain town, the ratio of NY Yankees fans to NY Mets fans is 2:1, and the ratio of NY Mets fans to Boston Red Sox fans is 3:7.

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A group of men decided to do a work in 20days, but 2 of them became absent.

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The average monthly salary of 24 employees in an organisation is Rs.

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54 is to be divided into two parts such that the sum of 10 times the first and 22 times the second is 780.

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