" Find "160-6,-2,2,...,58

Find the value of the middle term of the Arithmetic Progression -6,-2,2,......................58

Find the middle term of an A.P. -6, -2, 2, ……….58.

Find the mode of the following frequency distribution: {:("Class",100-110,110-120,120-130,130-140,140-150,150-160,160-170),("Frequency",4,6,20,32,33,8,2):}

In each of the following questions one of the terms in the number series is wrong . Find out the wrong term 2, 3, 6, 12,24,58

If mean and variance of observations 60, 60, 44, 58, 68, 56, alpha,beta are 58 and 66.2 respectively then alpha^2+beta^2 is equal to

Find - 3.44 + 1.58

Find which is greater - 6.6 or 6.58

Evaluate the determinants {:|(0,2,5),(4,0,-2),(1,6,0)|

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," ",):}