Subject
Bank Exam
Topic
জনতা ব্যাংক লিমিটেড আরসি (রুরাল ক্রেডিট) - ২৭.১০.২০২৩
If the radius of a circle is reduced by 40%, its circumference is reduced by-
If the radius of a circle is reduced by 40%, its circumference is reduced by-
ক)
60%খ)
40%গ)
35%ঘ)
30%Explanation
If radius of a circle is r, circumference 2πr where 2π is constant So, if radius is changed, the circumference will change by the same amount. The radius of a circle is reduced by 40%,then its circumference is reduced by 40%Related questions
বাংলা ব্যাকরণ গ্রন্থ প্রথম কোন বাঙালি রচনা করেন?If 4x + y= 1 and 4x - y= 4, then the values of x and y respectively are-আচার ও বোতাম শব্দ দুটি কোন ভাষা হতে বাংলায় গৃহীত হয়েছে?√(4/3) - √(3/4) = ?দুটি বাক্যকে এক বাক্যে পরিণত করার কাজ করে কোনটি?The ages of Sabiha and Suriya are in the ratio of 7 : 3 respectively. After 6 years, the ratio of their ages will be 5 : 3. What is the difference in their ages?'মনীষা' এর সন্ধি বিচ্ছেদ -A scored 30% marks and failed by 15 marks. B scored 40% marks and obtained 35 marks more than those required to pass. The pass percentage is-