2, 3, 5, 9, 17, _ What is the next number in the sequence?

Solve the equation in the image by looking at the pattern closely.

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

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

How can this be possible?

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

what does this picture(rebus) riddle means ?

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?

Can you decipher the below rebus?

PBLUESAISNUERSES

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.