Subject
Bank Exam
Topic
Bangladesh Krishi Bank 2012 (Sr. Officer))
If A is the area and C the circumference of a circle, which of the following is an expression for A in terms of C?
If A is the area and C the circumference of a circle, which of the following is an expression for A in terms of C?
ক)
c2/4πখ)
c2/4π2গ)
2cঘ)
2c2 √πExplanation
a=4πr2 c=2 πr r=c/2 π now,a=4πr2 =π x ( c/2 π)2 = c2/4πRelated questions
“শৈবাল দীঘিরে কহে উচ্চকরে শির লিখে রেখ, এক ফোটা দিলেম শিশির”-এ অংশটুকুর মূল প্রতিপাদ্য –BIMSTEC stands for-If Sakib drove at 60 miles per hour for 2 hours, how far did he go in the last 20 minutes?At Uttara High School each student studies exactly one foreign language. Three-fifth of the students take Spanish, and one-fourth of the remaining students take German. If all of the others take French, what percent of the students take French?The average of 10 numbers is - If the sum of 6 of them is 100, what is the ; average of the other 4?If -7 . If (7a) (7b) = 7c/7d, what is d in terms of a, b and c?In January, the value of a stock increased by 25% and in February, it decreased by 20%. How did the value of the stock at the end of February compare with its value at the beginning of January?
