Car a and Car b starts their journey together from Mumbai to Surat. The speed of Car a is 3/4 of Car b. If the car B takes 12 hours to reach Surat, hiqw long will Car A take?
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Let the speed of slower bike be x km/hr.
Speed of faster bike = x + 9
Relative speed = 2x + 9
⇒ 2x + 9 = 324/4
⇒ 2x + 9 = 81
⇒ x = 36 km/hr
∴ The speed of slower bike be 36 km/hr.
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