Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

When 99 is considered higher than 100?

When does a USA Potato change its nationality?

What is the largest number you can write with just 3 digits?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

Count the number of triangles in the picture below:

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?

Two fathers and two sons decided to go to a shop and buy some sweets upon reaching. Each of them bought 1 kg of sweet. All of them returned home after some time and found out that they had 3kg of sweets with them.

They did not eat the sweets in the way, nor threw or lose anything. Then, how can this be possible?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?