Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

What is the next number in the series?

15 29 56 108 208 ?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

There's a day, that comes around once a year.
To celebrate the man, you hold dear.
He gave you life, love and will pick you up if you fall.
When it comes to guys like him, He's the best of all.
Who is he?

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