Find the mode of the scores
28,20,24,28,36,32,28,40

Find the sum of -68 and 28

Find the sum of -68 and 28

Number series 28,25,30,27,32,29,…..

Find the median of observations 14, 36, 25, 28, 35, 32, 56, 42, 50.

If 20 is removed from the data 20, 24, 25, 26,27,28,29,30 then the median is increased by

Find the HCF of 12, 16 and 28.

Find the area of square if the side is 28cm.

Number of students in 30 class rooms in a school are given below. Construct a frequency distribution table for the data with a exclusive class interval of 4 (students). {:(25,30,24,18,21,24,32,34,22,20,22),(32,40,28,30,22,26,31,34,15,38,28),(20,16,15,20,24,30,25,18, , ,):}

Number series 34,30,28,24,22,18,…..