Maths question

Question: this is a 6 digit number. this number has two decimal places. there are no tenths or tens in this number. the tenths digit plus the hundredth digit equals 6. if you divide the thousands digit by 2 the answer is 2. the hundreds digit is the same as today's date. the units digit is half the hundredths unit.

Question: If 4+5=24 7+2=21 9+6=63 6+7=?

Question: Leap Year is every 4 years. True or False ?

Question: When is 99 more than 100?

Question: What are the next two letters in the following series and why? WATNTLITFS__

Question: In a house of Kardak's family each brother have a sisters as double as their brothers and each sister have brothers as same as their sister. How many brothers and sisters in Kardak's family ?