`|[2,3,7],[8,5,-4],[10,8,3]|=`

Compute the following: [[-1,4,-6],[8,5,16],[2,8,5]]+[[12,7,6],[8,0,5],[3,2,4]]

How many 8's followed by an even number and preceded by an odd number? 7, 8, 5, 6, 7, 8, 4, 3, 2, 1, 3, 8, 6, 4, 3, 7, 8, 4, 2, 1, 3, 8, 2, 8, 9

If xi = { 2,3,4,5,6,7,8,9,10,11} A = { 3,5,7,9,11 } B = { 7,8,9,10,11} then find (A-B) '

Mode of the following frequency distribution X=4,5,6,7,8;f=6,7,10,8,3

If A= {1,3,5,2,4,1,3,5,7,8,9,6,10}, then n(A) =________.

Find the median of the following series : {:("Size",2,3,4,5,6,7,8,9,10),("Frequency",2,3,8,10,12,16,10,8,6):}

Calculate mode from the following series : {:("Size",1,2,3,4,5,6,7,8,9,10,),("Frequency",8,6,10,12,20,12,5,3,2,4,):}

find the value of |(5,-3,7),(-2,4,-8),(9,3,-10)|

If A={1,2,3,4,5},B={4,5,6,7,8},C={7,8,9,10,11}andD={10,11,12,13,14. Find: A uu C