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

One side of a rectangular field is 15 m and one of its diagonals is 17 m.

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Circular gears L and R start to rotate at the same time at the same rate.

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248:3::328:?

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A starts business with Rs.3500 and after 6 months, B joins with A as his partner.

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In the x-y plane, point (x, y) is a lattice point if both x and y are integers.

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In how many ways can 6 boys and 4 girls sit around a table in such a way that no two girls sit together?

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A sum of Rs. 125000 amounts to Rs. 15000 in 4 years at the rate of simple interest.

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A man saves 10% of his monthly salary.

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Farm A had an average output of 300 kgs of wheat per acre.

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If a cube has a volume of 125, what is the surface area of one side?

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What is the value of 10^7 - 6^5?

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When the bus started from the first bus stop, the number of male passengers to the number of female passengers was 1 : 3.

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The amount of electrical current that flows through a wire is inversely proportional to the resistance in that wire.

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The average salary of a person for the months of January, February, March and April is Rs.8000 and that for the months February, March, April and May is Rs.8800.

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A boat can travel with a speed of 10 km/hr in still water.

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The second of two numbers is two less than three times the first.

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A, B and C are partners in a business.

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If 12 men or 20 women can do a piece of work in 54 days, then in how many days can 9 men and 12 women together do the work?

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Rates for having a manuscript typed at a certain typing service are $6 per page for the first time a page is typed and $4 per page each time a page is revised.

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A “palindromic integer” is an integer that remains the same when its digits are reversed.

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The average age of a group of 10 persons was decreased by 3 years when one person, whose age was 42 years, was replaced by a new person.

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If the cost price of 50 articles is equal to the selling price of 15 articles, then the gain or loss percent is?

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A 600 meter long train crosses a signal post in 15 seconds.

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The sum of the ages of 4 children born at the intervals of 3 years each is 38 years.

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