allery30 km/haꯗꯥ ꯃꯍꯩꯔꯣꯌ ꯑꯃꯅꯥ ꯁ꯭ꯀꯨꯜ 5 ꯃꯤꯅꯤꯠ ꯈꯔꯒꯤ ꯃꯇꯨꯡꯗꯥ ꯌꯧꯏ ꯑꯃꯁꯨꯡ 40 km/h 5 ꯃꯤꯅꯤꯠ ꯈꯔꯒꯤ ꯉꯟꯅꯥ ꯌꯧꯏ꯫ ꯁ꯭ꯀꯨꯜ ꯑꯁꯤ ꯀꯌꯥ ꯌꯥꯝꯅꯥ ꯂꯥꯞꯅꯥ ꯂꯩꯕꯒꯦ?
A20 km
B25 km
C24 km
D18 km
Answer & Solution
Correct answer: A. 20 km
d/30 - d/40 = 10 min = 1/6 hꯅꯥ d/120 = 1/6 ꯄꯤ, ꯃꯔꯝ ꯑꯗꯨꯅꯥ d = 20 ꯀꯤ.ꯃꯤ.
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