I am a number. If you count by tens you will say my name. I am not ten. If you add me to 30, you will get a number less than 60. Who am I ?IKMC Grade 1 - 2
Câu hỏi liên quan
There are 14 students in a queue. Patrick is the fourth student in the queue. Melvin will be the sixth student if Patrick is the first one. What is Melvin’s queue number from the last student ?