Subject: General Aptitude · Chapter: Time and Distance · Exam: · Marks: · Difficulty:
A train travels at an average of 50 miles per hour for $2 \frac{1}{2}$ hours and then travels at a speed of 70 miles per hour for $1 \frac{1}{2}$ hours. How far did the train travel in the entire 4 hours?
(a)120 miles
(b)150 miles
(c)200 miles
(d)230 miles
Answer
Answer (as printed): D
Explanation
Total distance travelled $=\left[\left(50 \times 2 \frac{1}{2}\right)+\left(70 \times 1 \frac{1}{2}\right)\right]$ $$\text { miles }=(125+105) \text { miles }=230 \text { miles } .$$
Explanation as extracted from the printed page; notation may be imperfect.