Subject
Bank Exam
Topic
Janata Bank Executive Officer 2017 (Afternoon)
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। প্রশ্ন মতে, ৩(ক+৩) -৩(ক-৩) = ক বা, ৩ক+৯ -৩ক +৯ = ক সুতরাং ক = ১৮ অর্থাৎ লোকটির বয়স ১৮ বছর।Related questions
retrospective এর বাংলা পরিভাষা- আকাশ ও পৃথিবীর অন্তরালে এক কথায় বলে-50% of a% of b is 75% of b% of C. Which of the following is C ?A makes an article for TK.120 and sells it to B at a profit of 25% . B sells it to C who sells it for TK.195 making a profit of 10%. What profit percent did B make?If x=1 - q and y = 2q+1 , then for what value of q. x is equal to y ?3 years ago , the average age of a family of 5 members was 17 years . A baby having been born , the average age of the family is the same today. The present age of the baby is :There are two numbers such that the sum of twice the first and thrice the second is 39, while the sum of thrice the first and twice the second is The largest of the two is :নিচের কোনটি নিত্য পুরুষবাচক শব্দ?