Approximation is one of the fastest and most scoring topics in the Quantitative Aptitude section of RRB PO Prelims. By simplifying calculations using BODMAS, rounding numbers, and applying quick ...

In simple terms, approximation means replacing actual numbers with their nearby simple values to make calculations faster. For example, instead of multiplying 19.9 with 5.1, you can take them as 20 ...

The questions in this quiz are suitable for GCSE maths students studying approximation, rounding to decimal places, rounding to significant figures, truncation, estimating calculations, limits of ...