Subject
Bank Exam
Topic
Dutch-Bangla Bank Ltd. - Assistant Officer - 2017
Ten years ago, Jasim was three times as old as Tanvir. In five years, Jasim will be 10 years more than twice as old as Tanvir. How old is Tanvir right now ?
Ten years ago, Jasim was three times as old as Tanvir. In five years, Jasim will be 10 years more than twice as old as Tanvir. How old is Tanvir right now ?
ক)
25খ)
35গ)
50ঘ)
42ঙ)
None of theseExplanation
Solution: বলা হচ্ছে যে, 10 বছর পূর্বে Jasim এর বয়স Tanvir এর বয়সের 3 গুণ ছিলো । 5 বছর পর Jasim এর বয়স Tanvir এর বয়সের 2 গুণ অপেক্ষা 10 বছর বেশি হবে । Tanvir এর বর্তমান বয়স কত ? ধরি, 10 বছর পূর্বে Tanvir এর বয়স ছিল x বছর 10 বছর পূর্বে Jasim এর বয়স ছিল 3x বছর Tanvir এর বর্তমান বয়স = (x + 10) বছর Jasim এর বর্তমান বয়স = (3x + 10) বছর প্রশ্নমতে, (3x + 10) + 5 = 2 (x+10) + 10 => 3x + 15 = 2x + 20 + 10 => 3x + 15 = 2x + 30 x = 15 Tanvir এর বর্তমান বয়স হবে = (x + 10) বছর = 15 + 10 = 25 বছর ।Related questions
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