A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Using Only Five 5's and any mathematical operator make sum as 37

What jumps when it walks and sits when it stands?

How many letters are in the alphabet?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()