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

-64x29+165=?

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Which of the following CANNOT be a product of two distinct positive integers r and s?

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Three friends are buying a gift for a friend.

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In how many different number of ways 5 boys and 2 girls can sit on a shopa which can accommodate persons?

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Find the greatest number which leaves the same remainder when it divides 25, 57 and 105.

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A small, rectangular park has a perimeter of 560 feet and a diagonal measurement of 600 feet.

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If the remainder is 3 when positive integer n is divided by 18, what is the remainder when n is divided by 6?

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Health insurance Plan W requires the insured to pay $1000 or 50% of total cost, whichever is lower.

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We have boxes colored either red or blue.

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If s and t are positive integers such that s/t = 56.18, which of the following could be the remainder when s is divided by t ?

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If three numbers in the ratio 3 : 2: 5 be such that the sum of their squares is 1862, the middle number will be

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Rahul went to a shop and bought things worth Rs. 24, out of which 30 Paise went on sales tax on taxable purchases.

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In measuring the sides of a rectangle,one side is taken 5% in excess,and the other 4% in deficit.Find the error percent in the error percent in the area calculated from these measurements.

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there are five red shoe and 4 green. if one draw randomly a shoe then what is the probability of getting red

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There 3 kinds of books in the library physics, chemistry and biology.

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Calculate the time it will take for a train that is 200 meter long to pass a bridge of 180 meter length, if the speed of the train is 65 km/hour ?

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Solve:-

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Micheal and Adam can do together a piece of work in 20 days.

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If x ¤ y = (x + y)^2 - (x - y)^2.

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A flagpole 18 meters high casts a shadow of length 45 meters.

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