In a race, Rahul runs at a speed of 30 m/s and Sagar runs at a speed of 35 m/s. If Sagar increases his speed by 14.28% then by how much percent Rahul needs to increase his speed to match Sagar's new speed
In a race, Rahul runs at a speed of 30 m/s and Sagar runs at a speed of 35 m/s. If Sagar increases his speed by 14.28% then by how much percent Rahul needs to increase his speed to match Sagar's new speed Correct Answer 33.33%
Given:
Speed of Rahul = 30 m/s
Speed of Sagar = 35 m/s
Increase in speed of Sagar = 14.28%
Calculations:
New speed of Sagar = 35 + {35 ×(1/7)}
⇒ 35 + 5
⇒ 40 m/s
Percentage difference between new speed of Sagar and speed of Rahul = {(40 - 30)/30} × 100
⇒ (10/30) × 100
⇒ 33.33%
∴ Rahul needs to increase his speed by 33.33% to match Sagar's new speed.
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Feb 20, 2025