If a \div b means 'a to be added to b' and a \times b means 'a to b… — WBCS Preliminary Examination 2017 Q165

Q165

ArithmeticAlgebra, Equations & Operations

If $a \div b$ means 'a to be added to b' and $a \times b$ means 'a to be divided by b', then the value of $(14 \div 7) \div (14 \times 7)$ is

Answer: (C) 23

First, $14\div7$ (meaning $14+7$) $=21$, and $14\times7$ (meaning $14\div7$) $=2$. Applying the outer $\div$ (again meaning "added to"): $21+2=23$.

WBCS Preliminary Examination 2017 — General Studies · Question 165 of 200