Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

When does a USA Potato change its nationality?

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

Be active and find the killer in the picture Riddle below.

What am I?

Can you count the number of squares in the given picture?

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

Can you think of any three-dimensional shape that comprises of exactly two surfaces?