PK 2016 Q1
1. Which of the following numbers is the closest to the value of \(\dfrac{17 \times 0.3 \times 20.16}{999}\)?
- A 0.01
- B 0.1
- C 1
- D 10
- E 100
Pink Kangaroo 2016, Question 1. © UK Mathematics Trust. Original paper on ukmt.org.uk
Answer: B 0.1
The calculation can be approximated as follows:
\[\frac{17 \times 0.3 \times 20.16}{999} \approx \frac{17 \times 3 \times 2}{1000} = \frac{51 \times 2}{1000} \approx \frac{100}{1000} = 0.1.\]
Solution © UK Mathematics Trust, from the PK 2016 solutions.