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ꯗꯨꯀꯥꯟ ꯑꯃꯅꯥ 20% ꯗꯤꯁꯀꯥꯎꯟꯇ ꯄꯤꯔꯤ꯫ 250ꯗꯥ ꯃꯥꯔꯛ ꯇꯧꯔꯕꯥ ꯕꯦꯒ ꯑꯃꯒꯤ ꯌꯣꯅꯕꯥ ꯃꯃꯜ ꯑꯁꯤ:

A180
B210
C230
D200
Answer & Solution
Correct answer: D. 200
1. ꯆꯥꯗꯥ 20ꯒꯤ ꯗꯤꯁꯀꯥꯎꯟꯇ ꯍꯥꯌꯕꯁꯤ ꯀꯁ꯭ꯇꯃꯔꯅꯥ ꯃꯥꯔꯛ ꯇꯧꯔꯕꯥ ꯃꯃꯂꯒꯤ ꯆꯥꯗꯥ 80 ꯄꯤ ꯍꯥꯌꯕꯅꯤ꯫ 2. ꯃꯐꯝ ꯑꯁꯤꯗꯥ ꯃꯥꯔꯛ ꯇꯧꯔꯕꯥ ꯃꯃꯜ ꯑꯁꯤ 250ꯅꯤ꯫ 3. ꯑꯗꯨꯅꯥ ꯌꯣꯅꯕꯥ ꯃꯃꯜ ꯑꯁꯤ 80 / 100 x 250ꯅꯤ꯫ 4. ꯍꯥꯌꯕꯗꯤ 200ꯅꯤ꯫ 5. ꯑꯇꯣꯞꯄꯥ ꯃꯑꯣꯡ ꯑꯃꯗꯥ ꯆꯦꯛ ꯇꯧꯔꯒꯥ, ꯗꯤꯁꯀꯥꯎꯟꯇ ꯑꯁꯤ 20 / 100 x 250 = 50, ꯑꯃꯁꯨꯡ 250 - 50 = 200ꯅꯤ꯫ _ꯁꯣꯔꯁ: ꯁꯤꯂꯦꯕꯁ ꯃꯦꯊꯁ, Ch 7 ‘ꯀꯝꯄꯥꯔꯤꯡ ꯀ꯭ꯕꯥꯟꯇꯤꯇꯤꯁꯤꯡ’, S7.2 ꯗꯤꯁꯀꯥꯎꯟꯇꯁꯤꯡ ꯊꯤꯕꯥ_
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