Related Questions

If the circumference of a circle is 4m, then the ratio of circumference of the circle to the diameter of the circle is -
A 2π
B 4
C π
D 4π
The magnitude of the area of a circle is seven times that of its circumference. What is the circumference (in units) of the circle ?
A 88 units
B 132 units
C 616 units
D Cannot be determined
E None of these
পৃথিবী পৃষ্ঠে একটি ইটের ওজন 81 N. পৃথিবীর অর্ধেক বাসার্ধের সমান উচ্চতায় এবং অর্ধেক বাসার্ধের সমান গভীরতায় ইউটির উপরে পৃথিবীর অভিকর্ষ বলের মান কত হবে?(A brick weighs 81 N on the surface of the earth. What are the earth's gravitational forces act on it at a height of half of the radius of the earth and at a depth of half of the radius of earth, respectively?)
A 36 N and 81 N
B 36 N and 40.5 N
C 36 N and 20.25 N
D 98 and 40.5 N
E 81 N and 81 N
The average temperature for the first 4- days of a week is 40.2-degree Celcius and that of the last 4 days is 41.3-degree Celcius If the average temperature for the whole week is 40.6-degree Celcius then the temperature on the fourth day is-
A 38.5 Degree Celcius
B 40.8 Degree Celcius
C 41.3 Degree Celcius
D 41.8 Degree Celcius
চাঁদের অভিকর্ষজ ত্বরণ পৃথিবীর অভিকর্ষজ ত্বরণের ছয় ভাগের এক ভাগ। চাঁদের ব্যাসার্ধ পৃথিবীর ব্যাসার্ধের এক- চতুর্থাংশ। পৃথিবীর ভর M-এর তুলনায় চাঁদের ভর কত? (The acceleration due to gravity on the Moon is one-sixth of that on the Earth. The radius of the Moon is one-fourth that of the Earth. What is the mass of the Moon compared to that of the Earth, M?)
A M/6
B M/16
C M/24
D M/96
What is the approximate circumference of the earth?
A 50,000 km
B 25,000 km
C 16,000 km
D 40,000 km
What is the approximate circumference of earth?
A 40,000 Km
B 60,000 Km
C 80,000 Km
D 1,00,000 Km
What is the approximate equatorial circumference of the earth?
A 30,000 Km
B 35,000 Km
C 40,000 Km
D 45,000 Km
Who among the following was first to measure the circumference of the Earth?
A Eratosthenes
B Aristotle
C Hecataeus
D Herodotus
What is the circumference of the Earth?
A 13,000 km
B 20,000 km
C 25,000 km
D 40,000 km

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