allery10% மற்றும் 20% ஆகிய இரு தொடர் தள்ளுபடிகள் எதற்கு இணையான ஒற்றைத் தள்ளுபடி ஆகும்?
A25%
B30%
C28%
D26%
Answer & Solution
Correct answer: C. 28%
மீதமுள்ள பின்னம் 0.9 x 0.8 = 0.72 ஆகும், எனவே ஒற்றைத் தள்ளுபடி 28 சதவீதம் ஆகும்.
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