The length of a rectangle is twice than that of its breadth. If the length of the rectangle is increased by 10%, while its breadth is decreased by 10% what is the percentage change in the perimeter ?
A. 3 1/3%
B. 3 2/3%
C. 4%
D. No change
সঠিক উত্তরঃ
A.
3 1/3%
Explanation:
Related Questions (Any University/Year)
- A, B, C start a business. If A invests 3 times as much as B invests and B invests two-third of what C invests, then the ratio of capitals of A, B, C is :
- বর্গক্ষেত্রের এক বাহুর দৈর্ঘ্য ৪৫ মিটার হলে এর ক্ষেত্রফল কত?
- If x=y=4 and x-y=3, then x+2y is
- যদি ৬টি ঘোড়া ৪ দিনে ৩০ সের ছোলা খায়, তবে ৮টি ঘোড়া কত দিনে ৩০ সের ছোলা খাবে?
- A certain machine produces 1,000 units of product P per hour. Working continuously at this constant rate, this machine will produce how many units of product P in 7 days?
- ত্রিভুজের দুই বাহুর মধ্যবিন্দুর সংযোজক রেখাংশের দৈর্ঘ্য তৃতীয় বাহুর কোন অংশের সমান?
- if x is an integer and y=-2x-8 what is the least value of x for which y is less than 9
- Pasha is paid an hourly rate of Tk. 11 with overtime at 1.5 times the hourly rate for any hours in excess of 40 per week. In addition, he also receives a 6% commission on all sales over Tk. 2,500 per week. He worked for 53 hours last week and had sales of Tk. 8,659. What were his gross earnings in Tk. for the week?
- A=1005 এবং B= 5021 হলে কোনটি সত্য?
- By what per cent the use of fuel is to be reduced in order to keep expenditure on it at same level when its price is increased by25% ?
- পিতা ও পুত্রের বয়সের অনুপাত ১৩:৫ । পুত্রের বয়স ১৫ বছর হলে পিতার বয়স কত?
- 4x2-20x+25=0 সমীকরণটির সমাধান হলো-
- If the sum of three consecutive positive integers must be divisible by which of the following?
- log 2 + log 4 + log 8 +...............ধারাটির প্রথম 10টি পদের সমষ্টি কত ?
- A Can do a job in 24 days, B in 9 days and C in 12 days. B and C together start the work but leave after 3 days. How much time was taken by A to complete the remaining work?
- The angels of a triangle are in the ratio 2:3:4. What is the value of the largest angle in the triangle ?
- যে বৃত্তের ব্যাস ১৪ মিটার তার ক্ষেত্রফল আসন্ন বর্গমিটারে-
- a+1a=3 হলে , a3+1a3 এর মান কত?
- A man rowed 3 miles upstream in 90 minutes. If the river flowed with a current of 2 miles per hour, how long did the man's return trip take?
- Replace the question mark of the series 2B, 4C, 8E, 14H, (?) from the following alternatives.