Question

Which numbers round to 40 when rounding to 10s?

Answer 1

35, 36, 37, 38, 39, 41, 42, 43 and 44

Explanation:

Everything above 5 rounds upwards, and all numvers below 5 rounds down. So 34 and down will be rounded to 30, and that's what happens with 44, 43, 42, and 41.