Question

Question 11:
three-digit number, when multiplied by 2, gives a four-digit number
with at least one digit as 2. How many such three-digit numbers are
possible?​

Answer 1

Step-by-step explanation:

three digit numbers which contains 1 or 6

will have one digit 2

like 101,106,111,116,121,126........961,991,996 etc.