Decode this picture on T-Shirt and tell what it says ?

Replace the question mark with the number below given a simple math problem.

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?

You can hear me, but you can't touch or see me.

What am I?

Jessica is telling her friends this story and asks them to guess if it’s the truth or a lie: “There was a man sitting in a house at night that had no lights on at all. There was no lamp, no candle, and no other source of light. Yet, he sat in the house and read his book happily.” Her friends say she’s lying, but Jessica corrects them and says she’s telling the truth. Jessica’s story is true—but how?

Count the number of triangles in the given picture.

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

Can you count the number of triangles in the given figure?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

what's the probability of getting a king or a queen from a pack of 52 cards?