List of top Quantitative Aptitude Questions on Number System asked in ATMA

How many numbers between 1 and 200 are divisible by both 6 and 8?
The sum of the digits of a two-digit number is 9. When the digits are reversed, the number decreases by 27. Find the original number.
When you reverse the digits of the number 13, the number increases by 18. How many other two-digit numbers increase by 18 when their digits are reversed?