Exercises

LOGICAL QUESTIONS

Write a program to check whether a given number is even or odd.
Input: 34
Output: Even
Write a program to check whether a given number is prime or not.
Input: 3
Output: Prime
Write a program to calculate factorial of a number.
Input: 5
Output: 120
Write a program to calculate factorial using recursion.
Input: 5
Output: 120
Write a program to print fibnocci series till nth place.
Input: 8
Output: 0 1 1 2 3 5 8 13 ...
Write a program to calcuate power without using power function or multiplication operator.
Input: 3, 4 (3 to the power 4)
Output: 81
Write a program to print following pattern:
```
*
* *
* * *
* * * *
* * * * *
```

Write a program to print following pattern:

    *
   * *
  * * *
 * * * *
* * * * *

Write a program to create an array of 10 elements and then shuffle it so that elements get arranged in random order. Don't use any pre-defined function.
Input: 0 1 2 3 4 5 6 7 8 9
Output: 4 2 5 6 8 1 3 9 7 0 (It could be any random order)

Create an empty div element making sure that its width and height should be equal to the size of your viewport (browsers height). Note: It should change with the size of a browser.
Create a webpage with a div having a background image. Image should have some opacity(translucent) but the content should be clear and fully opaque.

Create 3 divs. On hovering-in on a specific div its size should increase. And on hovering-out its size should come to normal. Make sure it should work on each div individually. Hovering a div should only change that specific div's size.