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

a printer number the page of a book starting with 1 and uses 3189 digits in all How many pages dose the book have ?

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A sum of money deposited at compound interest (compounded yearly) amounts to $6200 in 2 years and to $6324 in 3 years.

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A boat sails 15 km of a river towards upstream in 5 hours.

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Difference between the length &breadth of a rectangle is 18 m.

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The area of a rectangular field is equal to 50 square meters.

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The sides of the triangle are in the ratio 1/2:1/3:1/4 and its perimeter is 104cm.

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A sells a bicycle to B and makes a profit of 25%.

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A person got Rs.35 more when he invested a certain sum at compound interest instead of simple interest for two years at 12% p.a.

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If a large pizza has a radius that is 60% larger that that of a medium pizza, what is the percent increase in area between a medium and a large pizza?

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A boy is traveling from his house to school at 10km/hr and reached school 2hours late.

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How many seconds will a train 100 meters long take to cross a bridge 180 meters long if the speed of the train is 36 kmph?

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In a competitive examination in State A, 6% candidates got selected from the total appeared candidates.

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Vijay bought 160 shirts at the rate of Rs. 225 per shirt.

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There are 7 people and 4 chairs.

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x is a positive integer of Z less than 500.

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In the manufacture of a certain product, 8 percent of the units produced are defective and 5 percent of the defective units are shipped for sale.

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How many five digit numbers can be formed using the digits {1, 3, 4, 5, 7,9}(repetition of digits is not allowed)?

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ABCD IS A square AEGF IS A rectangle..such that the rectangle shares 25% of the area of the suare ALSO AE lies ON THE LINE AB and AG lies on segment of AD.if the square shares half the area of the rectangle what is the ratio AE:AG?

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Fill in the missing number: 18 14 12 ?

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Six people are planning to share equally the cost of a rental car.

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Some persons can do a piece of work in 8 days.

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The average of first 10 even numbers is?

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The ratio of the ages of Mini and Minakshi is 4 : 3.

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In a company, 56 percent of the employees are men.

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