Mathematics Free Online test series for competitive exams 2016-2017 for SSC UPSC and other Competitive Exams. Quantitative Aptitude Objective Type Questions Quiz Online Free to Attempt and Analyse. There are 20 Questions in this quiz and 20 mins are there Read More …
Category: Maths
Time and Work Questions and Answers Objective type Questions
Question 1). Consider that A and B two person can finish a task in 4 days. Now if the person “A” can finish that task in total 12 days alone, you have to find out that in how many days person Read More …
Maths Formulas Permutation and Combination
Factorial Notation: Let n be a positive integer. Then, factorial n, denoted by n! is defined as: n! = n(n-1)(n-2)……..3.2.1. Examples: (i) 5! = (5x 4 x 3 x 2 x 1) = 120; (ii) 4! = (4x3x2x1) = 24 etc. We Read More …