If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?

You bought me for dinner but never eat me. What am I?

The more you take me, the more you leave me behind.
Who Am I?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

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.

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

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

A quarter is one-fourth of a dollar but Mr. John has changed the equation as below :

DOLLAR * 4 = QUARTER

Can you replace each letter with a digit to make the above solution correct?

What has a ring but no finger?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?