What begins with T, ends with T, and has T in it?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

In the four images below, can you find the odd one out?

What's the only room from which no one can enter or leave

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

The dirtier I get, the whiter I look. Who am I?

Move three sticks of the spiral below to form a square.

A bank customer had $100 in his account. He then made 6 withdrawals. He kept a record of these withdrawals, and the balance remaining in the account, as follows:

Withdrawals Balance left
$50 $50
$25 $25
$10 $15
$8 $7
$5 $2
$2 $0
----- -----
$100 $99

Why are the Totals not tallying?