alleryএটা সংখ্যা 30% বৃদ্ধি কৰিলে 195 হয়। মূল নম্বৰটো হ'ল:
A150
B140
C130
D160
Answer & Solution
Correct answer: A. 150
1) মূল x হওক।
তেতিয়া x + x ৰ 30% = 195।
2.1.30 * x = 195।
3.x = 195 / 1.30 = 150।
4/ গতিকে মূল সংখ্যাটো 150।
_Source: SSC CGL Quantitative Aptitude (Percentages), R.S. Aggarwal style and standard practice_
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