[PP Sub Inspector 17 Aug 2021]

4. Which one equals 5 ?

1. \({1 \over 2} \times {1\over 10}\)

2. 10 + 15 ÷ 5

3. -2² + 1

4. \({1 \over 5} ÷ {1 \over 25} \)

Correct Answer :

\({1 \over 5} ÷ {1 \over 25} \)