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

If Dale works at full efficiency he needs a break of 1 day after every 2 days of work and he completes a job in a total of 17 days.

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You collect coins. Suppose you start out with 11.

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From his monthly salary a man spends 10% of his salary for house rent, 20% on food, 25% for all other expenses and saves Rs 2520 per month.

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The banker's gain on a bill due due 1 year hence at 12% per annum is Rs.7.8.

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A runs 25% faster than B and is able to give him a start of 7 meters to end a race in dead heat.

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If a wholesaler distributes items to several outlets (A, B, C and D) in the ratio of 1/10 : 1/11 : 1/15 : 1/16, then find the total number of items the wholesaler distributes?

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A is 3 years older to B and 3 years younger to C, while B and D are twins.

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A man was born on January 1st, 23 B.C. and died January 2nd, 23 A.D.

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Seven men and four boys can complete a work in 6 days.

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Pradeep has to obtain 20% of the total marks to pass.

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There are 12 teams in a certain league and each team plays each of the other teams exactly twice.

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The area of a sector of a circle of radius 5 cm formed by an arc of length 4.5 cm is?

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Given that on 27th February 2003 is Thursday.

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If X is to be chosen at random from the integers between 1 to 6, inclusive, and Y is to be chosen at random from the integers between 7 and 11, inclusive, what is the probability that X + Y will be even?

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How many positive two-digit whole numbers are divisible by 7?

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Two trains are running in opposite directions in the same speed.

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In a class of 25 students, 2 students did not borrow any books from the library, 12 students each borrowed 1 book, 4 students each borrowed 2 books, and the rest borrowed at least 3 books.

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3, 5, 7, 11, 13, 17, 19, ____

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9548 + 7314 = 5362 + (?)

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Tom and John traveled in the same direction along the equal route at their constant speed rates of 15 km per hour and 10 km per hour, respectively.

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In a class of 79 students 41 are taking French, 22 are taking German.

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The sale price sarees listed for Rs.298 after successive discount is 12% and 15% is?

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P and Q invested in a business.

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Gopi gives Rs. 90 plus one turban as salary to his servant for one year.

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