Can you find out the total number of triangles in the given figure?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

I am dry when I go inside, but wet when I am pulled outside.
The longer I am inside, the stronger I get
When I am completely out, I am wet and I literally sag
Who am I?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

John and his team plan to rob a safe. They got just one chance to break the code else the local police will be informed. Below are clues:
A) Exactly one number is perfectly placed: 9 8 1
B) Everything is incorrect: 9 2 4
C) Two numbers are part of the code of the safe but are wrongly placed: 0 9 3
D) One number is part of the code of the safe but is wrongly placed: 1 4 7
E) One number is part of the code of the safe but is wrongly placed: 7 8 3