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Rearrangement of the files on a hard disk for faster data access. After the files are removed from a disk, the operating system tries to fill the vacant space with the new files.
27 percent of a number exceeds 13 percent of the same number by 56. What is the value of the number?
How many numbers between 340 and 1260 are divisible by both 18 and 24, but are not divisible by 5?
If the numerator of a fraction is increased by 20%, and denominator is decreased by 25%, then the fraction becomes 14/9. Find the original fraction.
Out of four numbers the average of the first three is 16 and that of the last three is 15. If the last number is 20 then the first number is
The sum of two numbers is 60 whereas the sum of their reciprocals is (20/9). Find the square of the product of the two numbers.
There are two numbers A and B such that when 24 times of B is added to 192, then result is equal to 336, and sum of A and B is 28, then what is the diff...
How many terms are there in the geometric progression 4, 20, 100...... 62500?
The difference between the squares of two positive numbers is 18 times the difference between the numbers. If the smaller number is 7, then what is the ...
A and B are positive integers. If A + B + AB = 65, then what is the difference between A and B (A, B ≤ 15)?