Question

One day, Ravi left home and cycled 10 km southwards, turned right and cycled 5 km and turned right and cycled 10 km and turned left and cycled 10 km. How many kilometres will he now have to cycle in a straight line to reach his home?

• A. 10
• B. 15
• C. 20
• D. 25
• E. None of these

Answer 1

The correct option is B 15

According to the question, the direction diagram will be as follow

Now, AB = DC = 10 km, BC = DA = 5 km, ED = 10 km
$\therefore$ Required distance, EA = ED + DA = 10 + 5 = 15 km