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

Sum of products of three numbers taken two at a time is 131.

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A jar full of whiskey contains 40% alcohol.

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It takes Greg 6 minutes to run a mile, and it takes Pete 8 minutes.

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If the man walks at the rate of 5 kmph, he misses a train by 7 minutes.

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A person has to cover a distance of 6 km in 45 minutes.

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The units digit of (3)^(44) + (10)^(46) is:

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What is the greatest prime factor of 1+2+3+。。。

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Peter invested a certain sum of money in a simple interest bond whose value grew to $400 at the end of 3 years and to $ 600 at the end of another 2 years.

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Two pipes A and B can fill a cistern in 37 minutes and 45 minutes respectively.

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What is 82% of 3/5?

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Last year for every 100 million vehicles that travelled on a certain highway, 96 vehicles were involved in accidents.

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A train 100 m long is running with a speed of 68 kmph.

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When 242 is divided by a certain divisor the remainder obtained is 15.

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If 4 less than x is 4 greater than y, then a number z that is 2 greater than x reduced by y is equal to

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John had a stock of 800 books in his bookshop.

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Valerie buys 3 new dresses on average every year for the last 5 years.

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A contractor undertook to make 15 km of roadway in 40 weeks.

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If C + D = 9 and C and D are positive integers, which of the following is a possible value for 5C + 8D?

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Sangakara and Ponting select batting by using a dice, but dice is biased.

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A certain party consists of four different group of people - 30 students, 35 politicians, 20 actors and 27 leaders.

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Sales price is $91, gross profit is 160% of cost, what is the value of gross profit?

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The output of a factory is increased by 10% to keep up with rising demand.

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There are 59 people that own pets. 15 people own only dogs, 10 people own only cats, 5 people own only cats and dogs, 3 people own cats, dogs and snakes.

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What is the least number that should be added to 1055, so the sum of the number is divisible by 23?

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