Time & distance

Quantitative Aptitude (MTS)

Title

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Indian Economy - Understanding the basics of Indian economic system

Two cities, Delhi and Jaipur, are 360 km apart. A car goes from Delhi to Jaipur at a speed of 80 km/h and returns to Delhi from

Jaipur using the same route at a speed of 120 km/h. What is the average speed of the car?

This questions was previously asked in

SSC MTS 25th July 2022 Shift-2

92 km/h

84 km/h

88 km/h

96 km/h

- To find the average speed, use the formula: \( \text{Average Speed} = \frac{\text{Total Distance}}{\text{Total Time}} \).

- Total distance for the round trip is \( 360 \, \text{km} \times 2 = 720 \, \text{km} \).

- Time from Delhi to Jaipur: \( \frac{360}{80} = 4.5 \, \text{hours} \).

- Time from Jaipur to Delhi: \( \frac{360}{120} = 3 \, \text{hours} \).

- Total time for the trip is \( 4.5 + 3 = 7.5 \, \text{hours} \).

- Calculating average speed: \( \frac{720}{7.5} \approx 96 \, \text{km/h} \).

- Option 4: 96 km/h is the correct answer.