MCQ
The reciprocal of $-1$ is:
- A$1$
- ✓$-1$
- C$0$
- DNot defined.
✓
Answer
Correct option: B.
$-1$
The reciprocal of $-1$ is the number itself.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Tick the correct answer in the following: The parallel sides of a trapezium are in the ratio $3 : 4$ and the perpendicular distance between them is $12cm.$ If the area of the trapezium is $630cm^2,$ then its shorter of the parallel sides is:
→If $11.25\ m$ of a uniform iron rod weighs $42.75\ kg$, what will be the weight of $6\ m$ of the same rod?
→Tick $(\checkmark)$ the correct answer the following: $\Big(\frac{8}{-15}+\frac{4}{-3}\Big)=\ ?$
→In the given map, the distance between the places is shown using the scale $1\ cm : 0.5\ km.$ Then the actual distance $($in $km)$ between school and the book shop is:
→A sum of money, at compound interest, yields Rs. $200$ and Rs. $220$ at the end of first and second year respectively. The rate $ \%$ is:
→The value of $\left(7^{-1}-8^{-1}\right)^{-1}-\left(3^{-1}-4^{-1}\right)^{-1}$ is:
→A can do a piece of work in 15 days. B is $50 \%$ more efficient than A. B can finish it in
Hint. A's 1 day's work $=\frac{1}{15}$, B's 1 day's work $=150 \%$ of $\frac{1}{15}=\frac{150}{100} \times \frac{1}{15}=\frac{1}{10}$.
→Hint. A's 1 day's work $=\frac{1}{15}$, B's 1 day's work $=150 \%$ of $\frac{1}{15}=\frac{150}{100} \times \frac{1}{15}=\frac{1}{10}$.
Rashmi borrowed $Rs. 25,500$ from a bank for one year if the bank charge interest of $10 \%$ per annum compounded half-yearly what amount will he have to pay after the given time period.
→What will be the number of zeros in the square of $400?$
→$384467000$ is equal to:
→