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

How can you make number one disappear by adding something to it?

Count the number of lines in the image below ?

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

What is the word or phrase?

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

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

The LCD device should be able to tell the right time in the format HH:MM: SS in a 12-hour format. You can refer to the picture to get an idea. The device is a simple "level indicator" which has to be converted into a watch. How will you program it to work?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?