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95 alphacodingskills.com Largest Number among three Numbers Problem Solving Very easy Three numbers x, y and z are given and the largest number among these three numbers can be found out using below methods.
100 alphacodingskills.com Check whether a Number is Positive or Negative Problem Solving Very easy A number is said to be positive if it is greater than zero and it is said to be negative if it is less than zero. A number can be checked for zero, positive and negative using if, if-else, nested if-else and short-hand if-else statements.
97 alphacodingskills.com Sum of Squares of Natural numbers Problem Solving Very easy In Mathematics, the natural numbers are all positive numbers which is used for counting like 1, 2, 3, 4, and so on. The smallest natural number is 1. Objective: Write a PHP program which returns sum of squares of natural numbers starting from 1 to given natural number n, (1² + 2² + 3² + ... + n²).
96 alphacodingskills.com Sum of Natural numbers Problem Solving Very easy In Mathematics, the natural numbers are all positive numbers which is used for counting like 1, 2, 3, 4, and so on. The smallest natural number is 1. Objective: Write a PHP program which returns sum of natural numbers starting from 1 to given natural number n, (1 + 2 + 3 + ... + n).
143 alphacodingskills.com Find LCM of Two Numbers Problem Solving Easy LCM stands for Least Common Multiple. The LCM of two numbers is the smallest number that can be divided by both numbers. For example - LCM of 20 and 25 is 100 and LCM of 30 and 40 is 120.
103 alphacodingskills.com Check Leap Year Problem Solving Easy A leap year is a calendar year in which an additional day is added to February month. In a leap year, the number of days in February month and the year are 29 and 366 respectively. A year that is not a leap year is called a common year. A year is said to be a leap year if: it is divisible by 4. it is divisible by 4 but not divisible by 100. it is divisible by 4, 100 and 400.
102 alphacodingskills.com Reverse digits of a given Integer Problem Solving Easy In PHP, the reverse of a given integer can be found out by using below mentioned methods.
101 alphacodingskills.com Check Prime Number Problem Solving Easy A Prime number is a natural number greater than 1 and divisible by 1 and itself only, for example: 2, 3, 5, 7, etc.
99 alphacodingskills.com Fibonacci Sequence Problem Solving Easy Fibonacci terms are generally represented as Fn. A Fibonacci term is the sum of two previous terms and starts with 0 and 1. Mathematically, it can be represented as: F₃ = F₂ + F₁ With boundary conditions: F₀ = 0 and F₁ = 1 The Fibonacci Sequence: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233...
98 alphacodingskills.com Factorial of a Number Problem Solving Very easy The factorial of a positive integer is the multiplication of all positive integer less than or equal to that number. factorial of number n = n! = n(n-1)(n-2)...1 For Example: 5! = 5 × 4 × 3 × 2 × 1 = 120 4! = 4 × 3 × 2 × 1 = 24
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