Category: MISC

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Find Factorial of a given Number

Objective: Given a number, write a program to find factorial of that number. What is Factorial Number? In mathematics, the factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n. The value of...

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Check whether the given number is a perfect square

Objec­tive:  Given an integer check whether it is a perfect square. Example: number = 37 Output: false number = 49 Output: true This is fun puzzle which is asked in the interview. Approach: Say number...

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Find numbers which are palindrome in both their decimal and octal Representations

Objective: Given a range of integers, find all the numbers which are palindrome when they are represented in Decimal Value( base 10) and in Octal value(base 8). Example : Number : 373 (Decimal) and...

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Colorful Numbers

Objective: Given a number, find out whether its colorful or not. Colorful Number: When in a given number, product of every digit of a sub-sequence are different. That number is called Colorful Number. See...

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Print All the Subsets of a Given Set (Power Set)

Objective: Given a set of numbers, print all the posssible subsets of it including empty set. Power Set: In mathematics, PowerSet of any given set S, PS(S) is set of all subsets of S...

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Convert Decimal into Irreducible Fraction

Objective: Given a decimal number, convert it into irreducible fraction. Irreducible Fraction : An irreducible fraction is a fraction in which the numerator and denominator are integers that have no other common divisors than...

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