Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

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?

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?

Which is faster, Heat or Cold ? Explain.

If Rajina's daughter is my daughter's mom, who am I to Rajina?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?