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

Line m lies in the xy-plane. The y-intercept of line m is -2, and line m passes through the midpoint of the line segment whose endpoints are (2, 8) and (6, -4).

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A palindrome is a number that reads the same forward and backward, such as 242.

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What will come in place of the x in the following Number series?

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A single letter is selected at random from the word 'CARE'.

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When the circumference and area of a circle are numerically equal, then the diameter is numerically equal to

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The least number by which 72 must be multiplied in order to produce a multiple of 112, is:

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In an aquarium there is 14 purple fish, 8 orange fish,12 pink fish, 3 golden fish.

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If |20x-10| = 90, then find the product of the values of x?

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A trader marks his books 30% more than the cost price.

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The difference between simple and compound interest on Rs. 1400 for one year at 10% per annum reckoned half-yearly is?

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If xy > 0, 1/x + 1/y = 4, and 1/xy = 6, then (x+y)/2 = ?

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If S is the sum of reciprocals of a list of consecutive integers from 55 to 64, inclusive, S is approximately equal to

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The percentage profit earned by selling an article for Rs. 1620 is equal to the percentage loss incurred by selling the same article for Rs.

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Complete the series 13, 9, 5, 1, -3,-7 , -11...

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How many different ways can 2 students be seated in a row of 5 desks, so that there is always at least one empty desk between the students?

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Positive Integer A gives the remainder of 20 when divided by another positive Integer B.

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In a workshop there are 5 kinds of beds, 3 kinds of closets, 2 kinds of shelves and 7 kinds of chairs.

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There is a 20% chance Sandy will visit China this year, while there is a 60% chance that she will visit Malaysia this year.

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In how many ways can a team of 4 persons be formed out of a total of 8 persons such that two particular persons should be included in each team?

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Jean drew a gumball at random from a jar of pink and blue gumballs.

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The sum of ages of 5 children born 3 years different each is 50 yrs.

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If a square mirror has a 20-inch diagonal, what is the approximate perimeter E of the mirror, in inches?

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If there is an equal probability of a child being born a boy or a girl, what is the probability that a couple who have 8 children have two children of the same sex and one of the opposite sex?

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A and B together can complete work in 6 days.

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