Subject
Bank Exam
Topic
Joint Recruitment Test for 8 Banks (SO) [03-09-2019, AUST
[ Read the following questions carefully and choose the right answer. ]The ratio of two numbers is 7 : 4 . If 8 is added to both the number ratio becomes 13 : 8, what is the smaller number ?
[ Read the following questions carefully and choose the right answer. ]The ratio of two numbers is 7 : 4 . If 8 is added to both the number ratio becomes 13 : 8, what is the smaller number ?
ক)
40খ)
56গ)
38ঘ)
52Explanation
প্রশ্নে বলা হচ্ছে, দুটি সংখ্যার অনুপাত 7 : 4 . সংখ্যা দুটির সাথে 8 যোগ করা হলে অনুপাতটি দাঁড়ায় 13 : 8 ক্ষুদ্রতর সংখ্যাটি কত ? ধরি, একটি সংখ্যা 7x এবং সংখ্যাটি 4x প্রশ্নমতে, 7x+8/4x+8 = 13/8 => 56x + 64 = 52x + 104 => 4x = 104-64 = 40 x = 40/4 = 10 অতএব, ক্ষুদ্রতর সংখ্যাটি = 4x = 4 × 10 = 40 .Related questions
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