You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?

There are three boxes which are labeled as Rs100, Rs150, and Rs200. One box contains two notes of Rs. 50. The second box contains one note of Rs50 and one note of Rs100 The third box contains two Rs. 100 notes. All boxes are labeled incorrectly.

What is the minimum number of boxes you must check in order to label all boxes correctly?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

By using 'because' continuously three times, can you make an English statement ?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

Why is Saturday stronger than Monday?

Can you find the largest Three-digit number whose sum is 14 and whose square is less than 5,00,000?