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Arithmetic Ability
Time, Speed & Distance
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DSSSB PRT 2022 Afternoon 📅 23 Mar, 2022

Pratik (E->F) and Raju (F->E) meet. Speeds 20 and 15 km/hr. Raju takes 16 hrs to reach E after meeting. Time for Pratik to reach F?

A
6 hours
B
12 hours
C
9 hours
D
15 hours
Result Summary
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DSSSB PRT
2022 • 23 Mar, 2022 • Afternoon
Pratik (E->F) and Raju (F->E) meet. Speeds 20 and 15 km/hr. Raju takes 16 hrs to reach E after meeting. Time for Pratik to reach F?
Correct Answer
9 hours
• Formula: S1/S2 = √(t2/t1). • Values: 20/15 = √(16/t1). • Calc: 4/3 = √(16/t1) -> 16/9 = 16/t1 -> t1 = 9 hours....
Ref/Book : DSSSB PRT 2022
Ref. Subject Maths
Chapter -
Ref. Topic Time & Distance
Pg. No -
💡 Analysis & Explanation
• Formula ▼
S1/S2 = √(t2/t1).
• Values ▼
20/15 = √(16/t1).
• Calc ▼
4/3 = √(16/t1) -> 16/9 = 16/t1 -> t1 = 9 hours.
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