IIT-JEE Exam

Let A and B be two sets containing 2 elements and
4 elements respectively. The number of subsets of
A × B having 3 or more elements is -
(1) 219 (2) 211 (3) 256 (4) 220

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IIT-JEE Other Question

The area (in square units) bounded by the curves
y = sqrtx , 2y – x + 3 = 0, x-axis, and lying in the
first quadrant is - The x-coordinate of the incentre of the triangle that
has the coordinates of mid points of its sides as
(0,1) (1, 1) and (1, 0) is -