If 21x = 79x, what is the value of x?

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

What does below chemistry rebus means?

Find the hidden panda in the image below.

What is more useful when it is broken?

In the image below, can you find the value of an angle(y)

What came first, the chicken or the egg?

Which city is three-fifths chick two third cat and 50% goat?

There are two beautiful yet remote islands in the South Pacific. The Islanders born on one island always tell the truth, and the Islanders from the other island always lie.
You are on one of the islands and meet three Islanders. You ask the first which island they are from in the most appropriate Polynesian tongue, and he indicates that the other two Islanders are from the same island. You ask the second Islander the same question, and he also indicates that the other two Islanders are from the same island.
Can you guess what the third Islander will answer to the same question?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?