একটি সংখ্যা 30% দ্বারা বৃদ্ধি হলে 195 হয়ে যায়। মূল সংখ্যা হল:
A150
B140
C130
D160
Answer & Solution
Correct answer: A. 150
1।
আসল x হোক।
তারপর x = 195 এর x + 30%।
2।
1.30 * x = 195।
3।
x = 195 / 1.30 = 150।
4।
তাই আসল সংখ্যা হল 150।
_সূত্র: SSC CGL পরিমাণগত যোগ্যতা (শতাংশ), R.S.
আগরওয়াল শৈলী এবং আদর্শ অনুশীলন_
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