Solve this riddle by finding the odd one out from the rest.

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

What can you see in the middle of March and April that you can never see in any other month?

Can you find out the missing number in the grid?

Solve the alphametic puzzle by replacing the alphabet with the number.

S T O R M +
S O L E S
=========
T O W E L
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An octopus has 8 legs. A hippogriff has 6 legs and 2 pairs of wings. A sphinx has 6 legs and one pair of wings. Now we have all 3 kinds and a total of 18 insects in a cage. We have a total of 118 legs and 20 pairs of wings. How many insects do we have of each kind?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

Spot 5 differences in two Christmas tree below:

It is always ahead of me yet I can never see it. What is it?

There is a hypothetical state between the USA and Mexico border 'Tango'.
Here 70 percent of the population have defective eyesight, 75 percent are hard of hearing, 80 percent have Nose trouble and 85 percent suffer from allergies, what percentage (at a minimum) suffer from all four ailments?