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

A and B can do a work in 12 days, B and C in 30 days and C and A in 36 days.

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Last year Department Store X had a sales total for December that was 5 times the average (arithmetic mean) of the monthly sales totals for January through November.

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In a bouquet of flowers, all but two are roses, all but two are tulips, and all but two are daisies.

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Anthony and Michael sit on the six-member board of directors for company w.

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Two employees X and Y are paid a total of Rs. 570 per week by their employer.

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a, b, c and d are four consecutive numbers.

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3 persons are standing at the middle of edges of a Triangle.All the 3 persons starts moving at same time with same speed in random direction

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David obtained 36, 35, 42, 57 and 55 marks (out of 100) in English, Mathematics,Physics, Chemistry and Biology What are his average marks ?

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Vasya wrote down several consecutive integers.

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An student identification code consists of a vowel followed by a 3-digit number greater than 200.

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A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr The man's speed against the current is

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A man ate 100 bananas in five days, each day eating 6 more than the previous day.

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The banker's discount on Rs. 1600 at 15% per year is the same as true discount on Rs. 1680 for the same time and at the same rate.

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If a man running at the speed of x km/hr travels a distance of y km, which of the following cannot be equal to the distance traveled?

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How many numbers can be formed by using digits 0 to 9, as the number should be divisible by 5 and it should be 4 digit one and no repitation is allowed on digits?

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A, B and C can do a piece of work in 24 days, 30 days and 40 days respectively.

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The cost price of two types of tea are Rs. 180 per kg and Rs. 200 per kg respectively.

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Seven children — A, B, C, D, E, F, and G — are going to sit in seven chairs in a row.

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If an electricity bill is paid before due date, one gets a reduction of 4 % on the amount of the bill .

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A man is 24 years older than his son.

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[( 3.242 x 16 ) / 100] = ?

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The time taken by Mr.Dhoni to row his boat upstream is twice the time taken by him to row the same distance downstream.

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The profit obtained by selling an article for Rs. 86 is the same as the loss obtained by selling it for Rs.

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Find the 25% of Rs. 200.

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