What does an Island and the letter T have in common?

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

I have eight fingers and two thumbs but I do not live. What Am I?

Can you count the number of matches in the picture below ?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

I have teeth but i don't bite. Who Am I ?

Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.

What is the original number on number plate?

A man is approaching a broad and barren land. He has a package with him. If somehow, he is unable to open the package before reaching the land, he will die.

Can you guess what is present in the package?

Which digit occurred maximum times between the number 1 and 1000?