## One dimension of a cube is increased by 1 inches to form a rectangular block.supposed that the volume of the new block is 150 cubic inches. find the length of an edge of the original cube

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## simple interest

A person takes a loan of 200 at 5% simple interest. He returns 100 at the end of order of clear his dues at the end of 2...

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## distance and time

In a race of 200 m, A can beat B by 31 m and C by 18 m. In a race of 350 m, C will beat B by:...

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## Quadratic Equation

For what values of k will the following pair of equations have infinitely many solutions? ...

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## Quadratic Equation

For which values of P does the pair of equations given below has unique solution ? ...

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## Ratio and age

Six years ago, the ratio of the ages of Kunal and Sagar was 6 : 5. Four years hence, the ratio of their ages will be 11 : 10....

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## Completion of square

Solve the given equations by completing squares. Please explain every single step for me. Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)

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## percentage

The true discount on Rs. 2562 due 4 months hence is Rs. 122. The rate percent is: a. 12 % b. % c. 14% d. 15% Rate the...

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## airthmetic

A number can be written in the form 3m+2, for some natural number m. Can this number be a perfect square. Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)

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## Percentage

A firm increases salaries of employees by 15% . Modiri ,Shadi and Patiko are employed by the firm. A. Modiri earned 4500 before the much will he earn...

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## Ratio of areas

Two water- lily leaves are circular and have radii of 10cm and 15cm, respectively. Calculate the ratio of their areas? Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)

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## Combination

How many numbers between 200 and 1200 can be formed with the digits 0, 1, 2, 3 without repetition ? a) 2 b) 8 c) 14 d) 20 Rate...

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## Combination

How many numbers between 200 and 1200 can be formed with the digits 0, 1, 2, 3 without repetition ? a) 2 b) 8 c) 14 d) 20 Rate...

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## Matrices + prob.

The number of all possible matrices of order 3 x 3 with each entry 0 or 1 is : Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)

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## contest R2 Q10

10 bag contains 10 gold coins each. each coin weights 10 grams. however there is one bag with defective coins where each coin weighs 9 grams . how many...

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## contest R2 Q7

200 men are standing in a circle as shown. 200th person has a sword in his hand. He kills 199th person and hands over the sword to 198th person. He (198th) then...

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## Find the profit.

A toyman bought toys at 12 for a rupee. If he sell at 20 for a rupee, what is the profit and profit percentage? Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)

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## what is the exact number of researchers required?

A project has three test cases. Three teams are formed to study the three different test cases. James is assigned to all three teams. Except for James, each researcher...

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## what is the smallest percentage increase the shopkeeper can apply to the selling price in order to avoid selling at a loss?

A shopkeeper purchase volleyballs for $10 each and sells them for $18 each. If the cost of the balls increases by 50% for two months in a row, what...

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## contest Question-4

The remainder is 57 when a number is divided by 10,000. What is the remainder when the same number is divided by 500? Rate the problemSpam (1)Hard (1)Helpful (0)Wow (0)

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## Electrostatic

The distance between H and cl ions is A°. What will be the potential due to this dipole at a distance of 12A° on the axial point of...

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## Three-tenth of a number

If one-third of one-fourth of a number is 15, then three-tenth of that number is: Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)

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## How many for a rupee must he sell to gain 20%?

A vendor bought toffees at 6 for a rupee. How many for a rupee must he sell to gain 20%? Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)

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## Profit or loss

A pet shop owner sells two puppies at the sa me price. On one he makes a profit of 20% and on other he suffers a loss of 20%....

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## For how many minutes does the bus stop per hour?

Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour? Rate the...

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## the amount he would have gained by way of interest is:

A bank offers 5% compound interest calculated on half-yearly basis. A customer deposits Rs. 1600 each on 1st January and 1st July of a year. At the end of...

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## Find maximum possible value

Find the maximum possible value of the sum. Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)

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## what was the rate of interest?

Reena took a loan of Rs. 1200 with simple interest for as many years as the rate of interest. If she paid Rs. 432 as interest at the end...

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