Subject
Bank Exam
Topic
বাংলাদেশ ব্যাংক (সহকারী পরিচালক) - ২৮.১০.২০২২
A square room has a square carpet symmetrically placed in it. This leaves an uncovered area of 9 meter2. The area of the whole room is 25 meter2. What is the length of the one side of the carpet?
A square room has a square carpet symmetrically placed in it. This leaves an uncovered area of 9 meter2. The area of the whole room is 25 meter2. What is the length of the one side of the carpet?
ক)
2 meterখ)
4 meterগ)
6 meterঘ)
8 meterExplanation
এখানে, বর্গাকারে ঘরের ক্ষেত্রফল =25 বর্গমি এবং ঘরটিতে বর্গাকার কার্পেট বসানোর পরে ফাঁকা অংশের ক্ষেত্রফল =9 বর্গ মি তাহলে, বর্গাকারে কার্পেটটির ক্ষেত্রফল =25-9 =16 বর্গ মি বর্গাকার কার্পেটটির এক বাহুর দৈর্ঘ্য =√16 =4 মিRelated questions
(10)2is how many times of (0.01)3?A passenger paid 50% customs duty on accompanied baggage items. He paid another 20% sales tax on the total value of the items plus the custom duty paid. The total custom duty and sales tax is Tk. 350. what is the value of the item custom duty and sales tax?An amount of money is invested in a savings account for two years. It increased by Tk. 52.50 in two years. after annual compounding at the rate of 10% per year. What is the amount invested initially?ক্রিয়া পদের সাথে সম্বন্ধযুক্ত পদকে কী বলে?The angles of a triangle are in the proportion of 1 : 2 : 3 and the length of the smallest side is 1 cm. what is the length of the longest side of the triangle?'নন্দিনী' এর প্রতিশব্দ কি?'খোদা + আই' কোন প্রত্যয়?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?