Sristi salary is same as 4times azars salary if together they earn 3750 a month find their individual salaries
A bag contain 12 items of which 4 are defective from this 2 items are drawn at random find the probability 1.no item defective 2. One item defective 3.both item defective
find the image of the point (-8,12) with respect to the mirror 4x+7y+13=0