SSC Selection Post 2020 PYQ — Question 55

SSC Selection Post - Matriculation Level 2020 - 9 Nov 2020 - Shift 1 • Quantitative Aptitude • Q55

Som is slower than Ram, and each travels 150 km. The sum of their speeds is 25 km/h and the sum of the time taken by them is 25 hours. Then, Som’s speed is:

Show answer & explanation

Correct answer: A

Explanation

The correct answer is option 1 i.e. 10 km/h.

Try: option 1 (10km/h)
Som = 10 km/h ⇒ Time = 150 ÷ 10 = 15 h
Ram = 15 km/h ⇒ Time = 150 ÷ 15 = 10 h
Total time = 15 + 10 = 25 h