Subject
Govt.Jobs
Topic
বিসিআইসি (সহকারী ব্যাবস্থাপকঃ প্রশাসন) - ১৩.০৫.২০২২
The ratio of present ages of Sakib and Afzal is 11:9 .Three years ago ,the ratio was 5:4 .What is Afzal's present age in years ?
The ratio of present ages of Sakib and Afzal is 11:9 .Three years ago ,the ratio was 5:4 .What is Afzal's present age in years ?
ক)
24খ)
27গ)
18ঘ)
36Explanation
মনে করি , সাকিবের বর্তমান বয়স =11x বছর এবং আফজালের " " =9x বছর প্রশ্নমতে ,(11x -3):(9x-3)=5:4 বা,(11x-3)/(9x-3)=5/4 বা,44x-12 =45x-15 বা,44x-45x=-15+12 বা,-x=-3 বা,x=3 অতএব ,আফজালের বর্তমান বয়স =9×3 =27 বছর ।Related questions
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