Subject
Quantitative Aptitude
Topic
Age
A person was asked to state his age in years .His reply was , “take my age three years hence , multiple is by 3 and then subtract three times my age three years ago and you will know how old I am ” What was the age of person ?
A person was asked to state his age in years .His reply was , “take my age three years hence , multiple is by 3 and then subtract three times my age three years ago and you will know how old I am ” What was the age of person ?
ক)
18 yearsখ)
20 yearsগ)
24 yearsঘ)
32 yearsExplanation
বর্তমান বয়স ক হলে ৩ বছর পরে ক+৩ এবং ৩দিয়ে গুণ করলে হবে ৩(ক+৩) আবার এই বয়স থেকে বিয়োগ করতে হবে তিনবছর আগের বয়স ক -৩ এর ৩গুণ = ৩(ক-৩) তাহলে বর্তমান বয়স পাওয়া যাবে। প্রশ্নমতে, ৩(ক+৩) -৩(ক-৩) = ক বা, ৩ক+৯ -৩ক +৯ = ক সুতরাং ক = ১৮ অর্থাৎ লোকটির বয়স ১৮ বছর।Related questions
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