allery6 km/hꯅꯥ ꯇꯞꯅꯥ ꯇꯞꯅꯥ ꯆꯠꯄꯥ ꯇ꯭ꯔꯛ ꯑꯃꯅꯥ 72 ꯀꯤꯂꯣꯃꯤꯇꯔꯒꯤ ꯂꯝꯕꯤꯗꯥ 1 ꯑꯍꯦꯅꯕꯥ ꯄꯨꯡ ꯑꯃꯥ ꯆꯪꯏ꯫ ꯃꯁꯤꯒꯤ ꯑꯍꯥꯅꯕꯥ ꯈꯣꯡꯖꯦꯜ ꯑꯁꯤ ꯀꯔꯤꯅꯣ?
A20 km/h
B24 km/h
C30 km/h
D36 km/h
Answer & Solution
Correct answer: B. 24 km/h
72/(s-6) - 72/s = 1ꯅꯥ s(s-6) = 432 ꯄꯤ, ꯃꯔꯝ ꯑꯗꯨꯅꯥ s = 24 ꯀꯤ.ꯃꯤ.
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