Prove that the below maths equation is true.

8 + 8 = 91

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?

In a guessing game, five friends had to guess the exact numbers of apples in a covered basket.
Friends guessed 22, 24, 29, 33, and 38, but none of the guesses was correct. The guesses were off by 1, 8, 6, 3, and 8 (in random order).

Can you determine the number of apples in a basket from this information?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

What does the below rebus riddle means?

In the image below, can you find the value of an angle(y)

In the image given, you can find several triangles. Can you count them all?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

You can see three almost identical images below. Can you spot the odd one out from them?