How many triangles are there on the puzzle below?

I am an odd number. Take away a letter and I become even. What number am I?

While house hunting in London, I came across a very good leasehold property Discussing the lease the landlady told me:

'The property was originally on a 99 years lease and two-thirds of the time passed is equal to four-fifths of the time to come. Now work it out for yourself and see how many years are to go!

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

Find out the missing number in the picture attached:

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?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

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

What number divided by 4 is the same as that number minus 4?