Subject
Bank Exam
Topic
বাংলাদেশ ব্যাংক (সহকারী পরিচালক) - ২৮.১০.২০২২
A person's present age is two-fifth of the age of his mother. After 8 years, he will be one half of the age of his mother. What is the present age of the mother?
A person's present age is two-fifth of the age of his mother. After 8 years, he will be one half of the age of his mother. What is the present age of the mother?
ক)
30খ)
35গ)
40ঘ)
50Explanation
মনে করি, মা এর বর্তমান বয়স =x বছর লোকটির " " =2x/5 " প্রশ্নমতে , (x+8)/2=(2x/5 )+8 বা,x+8=2(2x/5+8) বা,x+8=4x/5+16 বা,x-4x/5 =16-8 বা, (5x-4x)/5=8 বা,x/5=8 বা, x =40 মা এর বর্তমান বয়স =40 বছরRelated questions
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