Q2.The number of ways of dividing 52 cards equally into 4 sets is
Answer : Option CExplaination / Solution:
If 4n things are to form 4 equal groups then the numbers of ways are 4n!(n!)4.4! Hence number of ways to divide 52 cards to form 4 groups of 13 cards each = (52)!4!(13!)4
Q7.Find the equation of a curve passing through the point (0, –2) given that at any point (x, y) on the curve, the product of the slope of its tangent and y coordinate of the point is equal to the x coordinate of the point.