alleryजर पुस्तकाची किंमत Rs 80 वरून Rs 100 पर्यंत वाढली तर टक्केवारी किती वाढेल?
A15%
B25%
C20%
D30%
Answer & Solution
Correct answer: B. 25%
1. वाढ = 100 - 80 = 20 रु.
2. टक्केवारी वाढ = (वाढ / मूळ किंमत) * 100.
3. = (20 / 80) * 100.
4. = 25%.
5. त्यामुळे किंमत 25% वाढली.
_Source: SSC CGL Quantitative Aptitude (Percentages), R.S. Aggarwal style and standard practice_
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