Question 22
How many three-digit numbers are multiples of 6 and remain multiples of 6 when their tens and ones digits are interchanged?
Answer format: enter one whole number without units. The printed paper uses four answer-sheet digits with leading zeros when needed; ordinary numeric entry is used here.
Answer format: enter one whole number without units. The printed paper uses four answer-sheet digits with leading zeros when needed; ordinary numeric entry is used here.