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

If 1+9+8=1, what is 2+8+9?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

Rob is taller than Edwin, and Jurgen is shorter than Rob.
Of only one of the following statements, we now certainly know it is correct:

A.Edwin is taller than Jurgen
B.Jurgen is taller than Edwin
C.It cannot be determined if Jurgen or Edwin is the tallest.

What is the probability of choosing the correct answer at random from the options below?

a) 1/4
b) 1/2
c) 1
d) 1/4

How many triangles are there in the picture below?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

I am a five-letter word under you,
Remove the first letter and I am above you,
Remove the second as well and I am around you.

Who am I?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

Which five letter word can be added at the end of below word to form a
valid word?

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