Practice 50 PHP Maths Programming Questions

Practice 50 PHP Maths Programming Questions

Q1: Write a program to calculate the sum of two numbers.  
Input: addNumbers(5, 3)  
Expected Output:  
8

Q2: Write a program to find the difference between two numbers.  
Input: subtractNumbers(10, 4)  
Expected Output:  
6

Q3: Write a program to multiply two numbers.  
Input: multiplyNumbers(6, 7)  
Expected Output:  
42

Q4: Write a program to divide one number by another.  
Input: divideNumbers(15, 3)  
Expected Output:  
5

Q5: Write a program to calculate the remainder of two numbers.  
Input: modulus(10, 3)  
Expected Output:  
1

Q6: Write a program to calculate the power of a number.  
Input: power(2, 3)  
Expected Output:  
8

Q7: Write a program to find the square root of a number.  
Input: squareRoot(16)  
Expected Output:  
4

Q8: Write a program to find the absolute value of a number.  
Input: absoluteValue(-15)  
Expected Output:  
15

Q9: Write a program to calculate the factorial of a number.  
Input: factorial(5)  
Expected Output:  
120

Q10: Write a program to check if a number is even or odd.  
Input: isEven(4)  
Expected Output:  
True

Q11: Write a program to calculate the greatest common divisor (GCD) of two numbers.  
Input: gcd(24, 36)  
Expected Output:  
12

Q12: Write a program to calculate the least common multiple (LCM) of two numbers.  
Input: lcm(12, 15)  
Expected Output:  
60

Q13: Write a program to find the maximum of three numbers.  
Input: maxOfThree(4, 7, 2)  
Expected Output:  
7

Q14: Write a program to find the minimum of three numbers.  
Input: minOfThree(4, 7, 2)  
Expected Output:  
2

Q15: Write a program to round a number to the nearest integer.  
Input: roundNumber(4.6)  
Expected Output:  
5

Q16: Write a program to round a number down to the nearest integer.  
Input: floorNumber(4.8)  
Expected Output:  
4

Q17: Write a program to round a number up to the nearest integer.  
Input: ceilNumber(4.1)  
Expected Output:  
5

Q18: Write a program to calculate the sine of an angle in degrees.  
Input: sine(30)  
Expected Output:  
0.5

Q19: Write a program to calculate the cosine of an angle in degrees.  
Input: cosine(60)  
Expected Output:  
0.5

Q20: Write a program to calculate the tangent of an angle in degrees.  
Input: tangent(45)  
Expected Output:  
1

Q21: Write a program to convert degrees to radians.  
Input: degreesToRadians(180)  
Expected Output:  
3.14159

Q22: Write a program to convert radians to degrees.  
Input: radiansToDegrees(3.14159)  
Expected Output:  
180

Q23: Write a program to generate a random number between 1 and 10.  
Input: randomNumber(1, 10)  
Expected Output:  
(e.g., 7)

Q24: Write a program to calculate the natural logarithm of a number.  
Input: naturalLogarithm(2.71828)  
Expected Output:  
1

Q25: Write a program to calculate the base-10 logarithm of a number.  
Input: logarithmBase10(1000)  
Expected Output:  
3

Q26: Write a program to calculate the exponential of a number.  
Input: exponential(2)  
Expected Output:  
7.38906

Q27: Write a program to calculate the hypotenuse of a right triangle given two sides.  
Input: hypotenuse(3, 4)  
Expected Output:  
5

Q28: Write a program to check if a number is a prime number.  
Input: isPrime(7)  
Expected Output:  
True

Q29: Write a program to calculate the sum of all numbers in a given range.  
Input: sumInRange(1, 5)  
Expected Output:  
15

Q30: Write a program to calculate the product of all numbers in a given range.  
Input: productInRange(1, 4)  
Expected Output:  
24

Q31: Write a program to find the nth Fibonacci number.  
Input: fibonacci(7)  
Expected Output:  
13

Q32: Write a program to check if a number is positive, negative, or zero.  
Input: checkNumber(-10)  
Expected Output:  
Negative

Q33: Write a program to calculate the percentage of a number.  
Input: calculatePercentage(50, 200)  
Expected Output:  
25

Q34: Write a program to find the average of an array of numbers.  
Input: average([10, 20, 30, 40])  
Expected Output:  
25

Q35: Write a program to calculate the median of an array of numbers.  
Input: median([5, 1, 3, 2, 4])  
Expected Output:  
3

Q36: Write a program to find the mode of an array of numbers.  
Input: mode([1, 2, 2, 3, 4])  
Expected Output:  
2

Q37: Write a program to generate the first n prime numbers.  
Input: generatePrimes(5)  
Expected Output:  
[2, 3, 5, 7, 11]

Q38: Write a program to calculate the sum of the squares of the first n natural numbers.  
Input: sumOfSquares(3)  
Expected Output:  
14

Q39: Write a program to calculate the sum of the cubes of the first n natural numbers.  
Input: sumOfCubes(3)  
Expected Output:  
36

Q40: Write a program to find the greatest number in an array.  
Input: findMax([10, 20, 30, 5])  
Expected Output:  
30

Q41: Write a program to find the smallest number in an array.  
Input: findMin([10, 20, 30, 5])  
Expected Output:  
5

Q42: Write a program to calculate the sum of the digits of a number.  
Input: sumOfDigits(1234)  
Expected Output:  
10

Q43: Write a program to reverse the digits of a number.  
Input: reverseDigits(1234)  
Expected Output:  
4321

Q44: Write a program to check if a number is a perfect square.  
Input: isPerfectSquare(16)  
Expected Output:  
True

Q45: Write a program to check if a number is a perfect cube.  
Input: isPerfectCube(27)  
Expected Output:  
True

Q46: Write a program to calculate the area of a circle given its radius.  
Input: areaOfCircle(7)  
Expected Output:  
153.938

Q47: Write a program to calculate the perimeter of a rectangle.  
Input: perimeterOfRectangle(5, 10)  
Expected Output:  
30

Q48: Write a program to calculate the area of a rectangle.  
Input: areaOfRectangle(5, 10)  
Expected Output:  
50

Q49: Write a program to check if a number is divisible by another.  
Input: isDivisible(20, 5)  
Expected Output:  
True

Q50: Write a program to calculate the average of two numbers.  
Input: averageOfTwo(10, 20)  
Expected Output:  
15