Thursday, February 27, 2014

Inequalities Question and Solution

Question

How many positive integer values can x take that satisfy the inequality (x - 8) (x - 10) (x - 12).......(x - 100) < 0? 

Explanation


Inequalities Question and Solution

Question

|x + 2| + | x - 3| + | x - 5| < 15, find the range of x that satisfies this inequality.

Explanation

Functions Question and Solution

Question

Consider set A with 'a' elements, set B with 'b' elements, set C with 'c' elements. We can define a function that is one-one but not onto from set A to set B, a function that is onto but not one-one from set B to set C; and a function that is injective but not surjective from C to A. Arrange a, b, c in ascending order.

Explanation

Thursday, February 06, 2014

Algebra Question and Solution

Question

|x| + |2y| + |3z| = 13, x * y * z is non-zero; x, y, z are all integers. How many sets of values are possible?

Answer
64 sets of values

Explanation