If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?

Next Number in the Series,

5, 16, 49, 104, ?

I am the fastest animal but cannot climb the tree. What am I?

What is black when you buy it, red when you use it, and gray when you throw it away?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

A non-stop marathon is the shared favourite sport of three brothers.

*The oldest one is fat and short and trudges slowly on.
*The middle brother's tall and slim and keeps a steady pace.
*The youngest runs just like the wind, speeding through the race.

"He is young in years, we let him run!" the other two brothers explained, "'because though he is surely number one, he is second, in a way." Why is it?

What number comes next in the series?

5 15 5 18 5 24 14 20 _