Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

You can see it everyday, But cannot touch it at will. What is it?

Nodes are shown below and you need to connect them based on the following rule: Every node can be connected to the number of nodes inside them, i.e. the first node there is a value of 1 which indicates that the first node can connect to exactly one node only.Can you do it?

Guess the hidden movie name?

A quarter is one-fourth of a dollar but Mr. John has changed the equation as below :

DOLLAR * 4 = QUARTER

Can you replace each letter with a digit to make the above solution correct?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different. How do you measure 45 minutes?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

Can you quickly find which two matchstick figures are identical?

Can you find out the missing number in the grid?

How can you write nineteen in a manner that if we take out one, it becomes twenty?