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.

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

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

What is so fragile that saying its name breaks it?

If,

Akriti = 631
Levis = 521
Sroti = 521
Aneel = 533
Then,
Sunil =?

Can you find out who is the kidnapper in below Picture and why, Explain ?

What can go through glass without breaking it?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

what does the below rebus mean?