What month of the year has 28 days?

Decode below rebus
D
N
A
T
S , D

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

Why do you find that most of the buildings are deprived of the 13th floor?

What has many teeth, but cannot bite?

A father's child, a mother's child, yet no one's son.

Who am I?

John can eat 27 chocolates in an hour, Jacob can eat 2 chocolates in 10 minutes, and Jolly can eat 7 chocolates in 20 minutes. How long will it take them to share and eat a box of 120 chocolates whilst playing Chess?