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

If two's company, and three's a crowd, then whats four and five ?

How many Watermelons are there in the below picture?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Find the missing letter in the last circle logically in the given below picture.

A guard is positioned at the one side of the bridge saying ‘A’. His task is to shoot all those who try to leave from ‘A’ to the other side and say ‘B’. He also need to welcome the person who comes from another side ‘B’ to his side ‘A’. The guard comes out of his post every 1 hour and looks down the bridge for any people trying to leave. You are at side ‘A’ and wish to go to another side ‘B’. you also know that it would take 1:45 hr to cross the bridge. How will you cross the bridge?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

Consider this about a word: The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98