I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

What happened when the wheel was invented?

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

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?

If an electric train is travelling south, then which way is the smoke going?

Identify the movie name through below Rebus containing Pi Mouse and coconut tree..

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

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?