alleryایک عدد جب 30% بڑھ جائے تو 195 بن جاتا ہے۔ اصل نمبر یہ ہے:
A150
B140
C130
D160
Answer & Solution
Correct answer: A. 150
1. اصل کو x ہونے دیں۔
پھر x + 30% کا x = 195۔
2. 1.30 * x = 195۔
3. x = 195 / 1.30 = 150۔
4. تو اصل نمبر 150 ہے۔
_Source: SSC CGL Quantitative Aptitude (Percentages), R.S. Aggarwal style and standard practice_
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