how to improve marks in Quantitative Aptitude /Numerical Ability.

Normally candidates try to solve difficult questions but fails. all questions are dependent on basic operations of addition, subtraction, multiplication and division. If we devote more time in improving speed on these four operations we will be saving time in every question and will be able to score high in this section. we will develop this skill step by step. follow blogs daily, you are bound to score high in this section. you may post your queries here.