Recent questions tagged easy

​​​​The plot below shows the relationship between the mortality risk of cardiovascular disease and the number of steps a person walks per day. Based on the data, which on...

$\text{P, Q, R and S}$ are to be uniquely coded using $\alpha$ and $\beta$. If $P$ is coded as $\alpha\alpha$ and $Q$ as $\alpha\beta,$ then $R$ and $S$, respectively, ca...