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A number when increased by 30% becomes 195. The original number is:
A150
B140
C130
D160
Answer & Solution
Correct answer: A. 150
1. Let original be x. Then x + 30% of x = 195.
2. 1.30 * x = 195.
3. x = 195 / 1.30 = 150.
4. So the original number is 150.
_Source: SSC CGL Quantitative Aptitude (Percentages), R.S. Aggarwal style and standard practice_
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