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

If a car went the first third of the distance at 60 kmh, the second third at 24 kmh, and the last third at 48 kmh, what was the average speed of the car for the entire trip?

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A candidate appearing for an examination has to secure 35% marks to pass paper I.

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A man swims downstream 42 km and upstream 18 km taking 3 hours each time, what is the speed of the man in still water?

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Suppose you want to buy three loaves of bread that cost $2.25 each

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A certain sum is invested at simple interest at 18% p.a. for two years instead of investing at 12% p.a. for the same time period.

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A number is divided by 406 leaves remainder 115 , What will be the reminder when it will be divided by 29?

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The average of 11 results is 42, if the average of first six results is 49 and that of the last six is 52.

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A shopkeeper buys mangoes at the rate of 5 a rupee and sells them at 2 a rupee.

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The true discount on a bill due 9 months hence at 16% per annum is Rs.

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What will come in place of the x in the following Number series?

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What is the smallest of six consecutive odd integers whose average (arithmetic mean) is b + 2?

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5% of (25% of $1600) is?

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The volume of a cube is 343 cc.

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Andrew has a certain number of coins in his pocket.

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Car X began traveling at an average speed of 35 miles per hour.

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a, b are positive integers. The remainder of a to be divided by 5 is 4 and the remainder of b to be divided by 3 is 1

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The current of a stream runs at the rate of 4 kmph.

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In a company of 200 employees, 120 are females.

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The present ages of three persons are in proportions 4:7:9.

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Pipes A and B can fill a tank in 4 and 6 hours.

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In a class there are a total of 8 rows of desks and each desk can seat one student.

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If X is the sum of first 100 positive even integers and Y is the sum of first 100 positive odd integers, what is the value of x-y?

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On selling 13 balls at Rs. 720, there is a loss equal to the cost price of 5 balls.

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The average weight of A, B and C is 45 kg.

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