In a particular city, the temperature was recorded for a week as given in the table. Days Temperature Monday 35 . 70 ° C Tuesday 40 . 35 ° C Wednesday 38 . 42 ° C Thursday 39 . 23 ° C Friday 42 . 65 ° C Saturday 42 . 90 ° C Sunday 41 . 56 ° C Which day was hottest and how many days had temperature more than 39 ° C .

Days Temperature Monday 35 . 70 ° C Tuesday 40 . 35 ° C Wednesday 38 . 42 ° C Thursday 39 . 23 ° C Friday 42 . 65 ° C Saturday 42 . 90 ° C Sunday 41 . 56 ° C Here, decimal numbers are used to denote temperature for the different days. To compare decimal numbers, first we need to compare their whole number part, then tenth place, hundredth place and so on. In the given values, the greatest decimal number is 42 . 90 . So, the day corresponds to the hottest temperature, i.e. 42 . 90 ° C is Saturday. Now, the values of temperature greater than 39 ° C are 40 . 35 ° C (Tuesday), 39 . 23 ° C (Thursday), 42 . 65 ° C (Friday), 42 . 90 ° C (Saturday), 41 . 56 ° C (Sunday.) So, the number of days which had temperature more than 39 ° C is 5 . Thus, we can conclude that Saturday was the hottest day and there were 5 days which had temperature more than 39 ° C .