Can you find the mistake in the below statement?

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

How can this be possible?

What has a ring but no finger?

Using Only Five 5's and any mathematical operator make sum as 37

There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

Can you calculate the dimensions of this box with the given data?

Find the next number in the following series:
6, 14, 26, 98, __?

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

Can you place three balls such that the equation shown in the picture holds true?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M