I make two people out of one. What am I?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

Spot 5 differences in two Christmas tree below:

On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins.

Can you tell me how many 20-paisa and 25-paisa he got?

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?

What's the best place to go shopping in the ocean?

Can you divide the below-given shape into four equal and identical pieces?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100