alleryꯇꯦꯂꯔ ꯑꯃꯅꯥ 20 ꯅꯨꯃꯤꯠꯁꯤꯡꯗꯥ ꯕꯦꯆ ꯑꯃꯥ ꯁꯦꯝꯃꯤ, ꯃꯍꯥꯛꯀꯤ ꯄꯥꯔꯇꯅꯔꯅꯥ 30 ꯅꯨꯃꯤꯠꯁꯤꯡꯗꯥ꯫ ꯃꯈꯣꯌ ꯄꯨꯟꯅꯥ ꯂꯣꯏꯁꯤꯅꯈꯤ꯫
A25 ꯅꯨꯃꯤꯠꯁꯤꯡ꯫
B12 ꯅꯨꯃꯤꯠꯁꯤꯡ꯫
C10 ꯅꯨꯃꯤꯠꯁꯤꯡ꯫
D15 ꯅꯨꯃꯤꯠꯁꯤꯡ꯫
Answer & Solution
Correct answer: B. 12 ꯅꯨꯃꯤꯠꯁꯤꯡ꯫
ꯃꯈꯣꯌꯒꯤ ꯑꯄꯨꯅꯕꯥ ꯔꯦꯠ ꯑꯁꯤ 1/20 + 1/30 = 5/60 = 1/12ꯅꯤ, ꯃꯁꯤꯅꯥ ꯅꯣꯡꯃꯗꯥ 12 ꯄꯤ꯫ ꯅꯨꯃꯤꯠꯁꯤꯡ꯫
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