Mathematics

Question: If pth, qth and rth terms of an A.P. are in G.P., then the common ratio of this G.P.

Question: If the ratio of AM and GM of two positive numbers a and b is 5 : 3, then

Question: If y = x + x2 + x3 + … ∞ where |x| < 1, then x = ?

Question: R is a relation from {11, 12, 13} to {8, 10, 12} defined by y = x – 3.

Question: The function f : R → R is defined by f(x) = sin4 x – sin2 x + 1,

Question: If f(α) = √(sec2 α – 1), then what is (f(α) + f(β)) / (1 – f(α)f(β)) equal to?

Question: For any set A, (A’)’ is equal to For any set A, (A’)’ is equal to Options: A A’

Question: Let f(x) = x2 , g(x) = tan x and h(x) = log x . What is [fo(fof)](2) equal

Question: If A = {1, 2, 3, 4, 5, 6} then the number of proper subsets is If A =

Question: Find the number of proper subsets of the set {1, 2, 3} and also find the number of elements