Mahabir Singh Solutions for Chapter: Rational Numbers, Exercise 3: ACHIEVERS SECTION (HOTS)

Identify the right match for letters P, Q, R, S and T.
(i) $0$ is neither P nor Q.
(ii) R has/have no reciprocal.
(iii) The rational numbers S and T are equal to their reciprocal.

Which of the following options holds?
Statement-$1$: Rational numbers are closed under division.
Statement-$2$: The value of $\left(\frac{-7}{18}\times \frac{15}{-7}\right)-\left(1\times \frac{1}{4}\right)+\left(\frac{1}{2}\times \frac{1}{4}\right)$ is $\frac{17}{24}$.