5 because it is the only single digit number
Chat with our AI personalities
'5' & '15' are odd numbers less than 20 , and are also multiples of '5'.
You can solve this algebraically. Let n be a number.20 - 2n = 5020 = 50 + 2n2n = -30n = -15The number is -15Verify: 20 - 2(-15) = 20 + 30 = 50
They are 16, 18 and 20.
4 to 15 exclusive 4 to 17 inclusive
A number sequence is not a question. So there can be no "answer".