Evaluate `abs([98,81,321],[88,72,423],[55,45,657])`

Find the value of x is abs([2,3],[4,5])=abs([x,3],[2x,5])

Find out median wage rate from the following data - set : {:("Wage Rate (Rs.)",5-15,15-25,25-35,35-45,45-55,55-65),("Number of Workers"," "4," "6," "10," "5," "3," "2):}

Find the mean deviation about the mean for the following data : 39,72,48,41,43,55,60,45,54,43

Find the median of the following data 92,35,67,85,72,81,56,51,42,69

The water bills (in rupees) of 32 houses in a certain street for the period 1.1.98 to 31.3.98 are given below: 56,43,32,38,56,24,68,85,52,47,35,58,63,74,27,84,69,35,44,75,55,30,54,65,45,67,95,72,43,65,35,59 Tabulate the data and present the data as a cumulative frequency table using 70-79 as one of the class intervals.

The marks scored by 40 students of class VIII in mathematics are given below: 81,55,68,79,85,43,29,68,54,73,47,35,72,64,95,44,50,77,64, 35,79,52,45,54,70,83,62,64,72,92,84,76,63,43,54,38,73,68,52,54. Prepare a frequency distribution with class size of 10 marks.

Find the odd number pair from the given alternatives. 32, 13, 51, 24, 46, 20, 72, 45

Find the median of: (i) 17,19,32,10,22,21,9,35 (ii) 72,63,29,51,35,60,55,91,85,82 (iii) 10,75,3,15,9,47,12,48,4,81,17,27

Find the media of : 66,98,54,92,87,63,72.