alleryஇரண்டு பட்டைகளுக்கு இடையே ஒரு மதிப்பு 250-லிருந்து 200 ஆகக் குறைகிறது. சதவீதக் குறைவு என்ன?
A15 சதவீதம்
B20 சதவீதம்
C25 சதவீதம்
D50 சதவீதம்
Answer & Solution
Correct answer: B. 20 சதவீதம்
250 என்ற அடிப்படை மதிப்பில் குறைவு 50 ஆகும், இது 20 சதவீதம் ஆகும்.
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