If I have the data : Delhi-42.5cel,chennai 38.5cel,shimla23cel and Leh 0celsius.So,can I round of 42.5to40 rather than 45? Share with your friends Share 2 Varun.Rawat answered this The number 42.5 when rounded to nearest tens gives 40 as the digit at ones place is 2 that is less than 5. 1 View Full Answer