Subject
Bank Exam
Topic
Standard Bank Ltd. - Trainee Assistant Officer - 2018
Two number are in the ratio 3 : 5. If 9 is subtracted from each, the new numbers are in the ratio 12 : 23. The smaller number is:
Two number are in the ratio 3 : 5. If 9 is subtracted from each, the new numbers are in the ratio 12 : 23. The smaller number is:
ক)
27খ)
33গ)
49ঘ)
55Explanation
Solution: প্রশ্নে বলা হচ্ছে, দুটি সংখ্যার অনুপাত 3 : 5 প্রতিটি সংখ্যা হতে 9 বিয়োগ করলে সংখ্যা দুটির অনুপাত হয় 12 : 23. ক্ষুদ্রতম সংখ্যাটি কত ? ধরি, ক্ষুদ্রতম সংখ্যাটি 3x এবং বৃহত্তর সংখ্যাটি 5x প্রশ্নমতে, => 69x - 207 = 60x - 108 => 69x - 60x = 207 - 108 => 9x = 99 => x = = 11 অতএব, ক্ষুদ্রতম সংখ্যাটি = 3 11 = 33.Related questions
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