What is the coolest letter in the alphabet?

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

How can this be possible?

The answer I give is yes, but what I mean is no. What was the question?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

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

John is selling fruits.
He sells grapes at $30, Dates $25, and a Wolfberry $45.
At what price does he sell fig?

PS: Logical Thinking

Can you find out the remainder when 3^300 is divided by 5?

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

Why is it very easy to weigh a fish?

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.