Question 5
Ratio, Percentages and RatesThree teachers shared a packet of chalk. The first teacher got 2/5 of the chalk and the second teacher received 2/15 of the remainder. What fraction did the third teacher receive?
- A.11/25
- B.12/25
- C.13/25
- D.8/15
Show the answer and explanation
Answer: C (13/25)
Explanation
The remainder after the first teacher is 3/5; the second gets 2/15 × 3/5 = 2/25. The third gets 1 − 2/5 − 2/25 = 13/25.