Ram had forgotten the password to his bag number lock. He just remembers that the password is the smallest three digit number, which is the common multiple of 4 and 6. What is the password?

Q. A three digit number between 100 and 110 is also a multiple of 9. The sum of its digits is ____ . [2 marks]

Q.

The password to Alex’s bicycle lock is a ​multiple of 6, which lies in between 80 and 90. ​What is the password?​

Q. The first two digits of the password is lowest common multiples of 3 and 8, last two digits is lowest common multiples of 9 and 6. What is the password?​

Q. Raman has forgotten his 4 digit mobile password. He only remembers that the $3^{rd}$ and the last digits are 7 and 6, respectively. If he starts guessing by hit-and-trial, maximum how many attempts will it take him to unlock the phone?

Q. Alex is on a quest where he needs to unlock a password protected door. The password is a valid three-digit number made up of digits 1, 0, and 8 without the digits being repeated. Write all the possible combinations for the password in ascending order.