Interchange elements of first and last rows in matrix

Given a 4 x 4 matrix, we have to interchange the elements of first and last row and show the resulting matrix. Examples : Input… Read More »

Program for Surface Area of Octahedron

Given the sides of Octahedron then calculate the surface area. Examples: Input : 7 Output : 169.741 Input : 9 Output : 280.59 Recommended: Please… Read More »

Python Dictionary

Dictionary in Python is an unordered collection of data values, used to store data values like a map, which unlike other Data Types that hold… Read More »

Find speed of man from speed of stream and ratio of time with up and down streams

Program to find the speed of man in km/hr, given the speed of stream in km/hr. Assume that the man takes n times (where n… Read More »

Python 3 | Program to print double sided stair-case pattern

Below mentioned is the python 3 program to print the double sided stair case pattern. Examples: Input : 10 Output : * * * *… Read More »

Python | Print an Inverted Star Pattern

Here we are going to print inverted star pattern of desired sizes. Examples: 1) Below is the inverted star pattern of size n=5 (Because there… Read More »

Program to calculate GST from original and net prices

Given Original cost and Net price then calculate the percentage of GST Examples: Input : Netprice = 120, original_cost = 100 Output : GST =… Read More »

Sum of series 2/3 – 4/5 + 6/7 – 8/9 + ——- upto n terms

Given the value of n, find the sum of the series (2 / 3) – (4 / 5) + (6 / 7) – (8 /… Read More »

Sum of even numbers at even position

Given an array of size n .The problem is to find the sum of numbers which are even and are at even index. Examples: Input… Read More »

Area of square Circumscribed by Circle

Given the radius(r) of circle then find the area of square which is Circumscribed by circle. Examples: Input : r = 3 Output :Area of… Read More »

Program to print mirror image of Swastika Pattern

Given the number of rows and columns, print the mirror image of swastika pattern. Note : The number of rows and columns should be same… Read More »

Print intermediate values in an array

Given an integer array, print the intermediate values between current index element and successive next index elements of array. Examples: Input : arr[] = {… Read More »

Power of a lens

Write a program to determine the power of a lens . Power of a lens is its ability to bend light . For a convex… Read More »