What can you catch but never throw?

What is harder to catch the faster you run?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

Rectify the following equality 101 - 102 = 1 by moving just one digit.

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?

What word begins and ends with an E, but has only one letter?

I am 5 letters long.
My first two tell you who I am
My first 3 could be a medicine
My last three reversed could be a young boy.
My 4th, 3rd and 2nd in that order could be a fruit drink.
If you have me you may hang me round your neck
WHAT AM I ?

The sum of a mother, her baby and her dog's weight is 170 Kg. How much does the baby weigh if the mother weighs 100 kg more than the combined weight of the baby and the dog, and the dog weighs 60 per cent less than the baby?