Subject
Bank Exam
Topic
বাংলাদেশ ব্যাংক (সহকারী পরিচালক) - ২৮.১০.২০২২
Mr. X had Tk. 1000 in his savings account. Every month in the first week he needs money, so he withdraws Tk. 500, but by the end of the month, he deposits Tk. 750. After how many months, the original amount will grow three times?
Mr. X had Tk. 1000 in his savings account. Every month in the first week he needs money, so he withdraws Tk. 500, but by the end of the month, he deposits Tk. 750. After how many months, the original amount will grow three times?
ক)
6 monthsখ)
7 monthsগ)
9 monthsঘ)
8 monthsExplanation
দেওয়া আছে , লোকটির প্রারম্ভিক বিনিয়োগ =1000 এর তিনগুণ=3×1000 =3000 টাকা তাকে আরও বিনিয়োগ করতে হবে =(3000-1000)=2000 টাকা যেহেতু তিনি প্রত্যেক মাসে 500 টাকা উত্তোলন করেন এবং 750 টাকা বিনিয়োগ করেন ,সেহেতু তার নিট বিনিয়োগ =750-500 =250 টাকা নির্ণেয় সময় =2000/250 =৪ মাসRelated questions
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