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

One type of liquid contains 20% of water and the second type of liquid contains 35% of water.

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A metal company's old machine makes bolts at a constant rate of 100 bolts per hour.

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In a box, there are 9 red, 7 blue and 6 green balls.

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Two sides of a triangle have length 5 and 8.

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Mixture S is 20% oil and 80% material B by weight.

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You collect baseball cards. Suppose you start out with 21.

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What number times (1⁄2)^2 will give the value of 2^3?

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Randy'sbar serves customers every weeknight from 4 pm to 1 am.

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An engineer designed a ball so that when it was dropped, it rose with each bounce exactly one-half as high as it had fallen.

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The difference between the compound interest and simple interest accrued on an amount at the end of three years at the rate of 12% is Rs.381.888.

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14, 23, 32, 41, 50, 59, … In the sequence above, each term is 9 more than the previous term.

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For all integers a and b, a%b = (a + b)(a - b).

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A invested $400 in a business after 6 months B invested $200 in the business.

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A full-time employee’s hourly wage was increased by 10%.

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A train passes a station platform in 37 seconds and a man standing on the platform in 20 seconds.

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Double of Quarter of 2 percent written as a decimal is :

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A shopkeeper sells 200 metres of cloth for Rs. 18000 at a loss of Rs.5 per metre.

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Two trains start at same time from two stations and proceed towards each other at the rate of 20 km/hr and 25 km/hr respectively.

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John spent a total of $135 on baseball tickets.

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If p^2 – 13p + 40 = s, and p is a positive integer between 1 and 10, inclusive, what is the probability that s < 0?

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If X gets 25% more than Y and Y gets 20% more than Z, the share of Z out of Rs. 740 will be:

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The area of a triangle is with base 4m and height 5m?

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Farm Tax is levied on the 60% of the cultivated Land.

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A trader purchased two colour televisions for a total of Rs.

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