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

In what time will a railway train 110 m long moving at the rate of 36 kmph pass a telegraph post on its way?

A grocer has a sale of Rs. 6435, Rs.

60% of male in a town and 70% of female in a town are eligible to vote. out of which 70% of male and 60% of female who are eligible to vote voted for candidate A. what is the value of votes in % did A get?

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What is the maximum number T of 27 cubic centimetre cubes that can fit in a rectangular box measuring 8 centimetre x 9 centimetre x 12 centimetre ?

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The area of a parallelogram is 288sq m and its altitude is twice the corresponding base.

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Find the simple interest on Rs.750 for 9 months at 6 paisa per month?

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One-fourth of a number is greater than one-fifth of the number succeeding it by 1.

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If .002^5 is represented in its shortest possible decimal form, how many 0’s to the right of the decimal point does it contain?

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The volume of a rectangular swimming pool is 840 cubic meters and water is flowing into the swimming pool.

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The owner of a cell phone shop charges his customer 23% more than the cost price.

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If (x/y)=(10/5), find the value (x^2+y^2)/(x^2-y^2)

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Define w* by the equation w* = π-w.

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A palindrome is a number that reads the same forward and backward, such as 145.

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The cost of the paint is rs.30 per kg. if 1kg of paint covers 18sq.ft, how much will it cost to paint outside of a cube having 6 feet each side

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A certain high school has 500 students.

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A man on tour travels first 100 km at 64 km/hr and the next 100 km at 80 km/hr.

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How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together?

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An article is bought for Rs.575 and sold for Rs.675, find the gain percent?

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Two ropes are given to you. Both of the ropes will take exactly an hour each to burn fully.

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Little Texas Drilling Company has three wells, each producing oil at a constant rate.

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Rs.800 amounts to Rs.920 in 3 years at simple interest.

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If a car went the first third of the distance at 80 kmh, the second third at 24 kmh, and the last third at 44 kmh, what was the average speed of the car for the entire trip?

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What is the average of first 20 multiples of 7 ?

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A train travels 240 km in 3 hours and 450 km in 5 hours.find the average speed of train.

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