Subject
Quantitative Aptitude
Topic
Circles
A circular logo is enlarged to fit the lid of a jar. The new diameter is 50 percent larger than the original. By what percentage has the area of the logo increased?
A circular logo is enlarged to fit the lid of a jar. The new diameter is 50 percent larger than the original. By what percentage has the area of the logo increased?
ক)
50খ)
80গ)
100ঘ)
125Explanation
Increased area = {(100+increasingrate)/100}2 = {(100+50)/100}2 = (150/100)2 = 225/100 So, Increased area = 225 - 100 = 125%Related questions
How many times in a day, the hands of a clock are straight?বৃত্তের ব্যাস তিনগুণ বৃদ্ধি করলে ক্ষেত্রফল কতগুণ বৃদ্ধি পাবে?Between the two chords AB and CD of a circle, AB is closer to the centre. Which of the following propositions is correct?What is the radius of the in-circle of the triangle whose sides measure 5, 12 and 13 units?If the area of a circle is 81π, then the circumference of the circle is:OA and OB are two tangents drawn in circle ABC from exterior angle O. Therefore-What is the volume of a cube whose surface area is 96?The side length of a square inscribed in a circle is What is the area of the circle shown at the right?
