Evaluate: ` |(219,117,345),(19,9,34),(7,3,6)| `

Evaluate |(219,117,345),(19,9,34),(7,3,10)|.

{:(9,11,13),(3,4,7),(3,4,5),(81,176,?):}

Find the missing number from the given alternatives. {:(8,9,7),(3,4,5),(4,5,3),(96,?,105):}

Let R be a relation defined by R={(9,8),(1,9),(9,6),(7,6),(2,7)} then R^(-1)oR is given by

Evaluate :(6)/(7)-2+(-7)/(9)+(19)/(21)

Find the order of the matrix. [{:(1,3,6),(7,8,9),(6,9,10),(9,3,1),(10,4,2):}]

Express the following as the sum of symmetric and skew - symmetric matrices : [(1,2,3),(3,4,5),(5,6,7)]

Find the quartile deviation of the following data: {:(x,f," "x,f),(2,4," "13,2),(3,6," "17,4),(5,8," "19,6),(7,9," "23,6),(11,10," ",):}