Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

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

What have one eye but still cannot see?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

How many letters are in the alphabet?

A spaceship was lost. The detective was given a piece of paper. This was the location of the spaceship! This is what the slip had scribbled on it:
Juice, Umbrella, Potato, Ice, Tomato, Elephant, Rice.

Where is the spaceship?

If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?

In a guessing game, five friends had to guess the exact numbers of apples in a covered basket.
Friends guessed 22, 24, 29, 33, and 38, but none of the guesses was correct. The guesses were off by 1, 8, 6, 3, and 8 (in random order).

Can you determine the number of apples in a basket from this information?

Can you replace the question mark with the correct number?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?