A barrel holds 4 L and 500 mL of acid. How many containers, each of capacity 25 mL, can be filled from it?
- 175
- 180
- 200
- 185
Show answer and solution
Correct answer: B. 180
1. Convert total acid to mL: 4 L 500 mL = 4500 mL.
2. Divide by container capacity: 4500 ÷ 25.
3. This equals 180 containers.
_Source: RRB Group D CEN-02/2018 PYQ, Q.33._