The average of
The average of / औसत क्या होगा।
\(1^2, 2^2, 3^2, 4^2, 5^2, 6^2, 7^2, 8^2\) and \(9^2\) is:
Detailed Solution & Logic
Correct Answer:
\(31\frac{2}{3}\)
Numbers: $ 1^2,2^2,3^2,4^2,5^2,6^2,7^2,8^2,9^2 $
= 1,4,9,16,25,36,49,64,81
Sum = 1+4+9+16+25+36+49+64+81 = 285
Average = $ \frac{285}{9} $
$ = 31\frac{2}{3} $
Answer = $ 31\frac{2}{3} $
Similar Practice Questions
The average weight of a family of five members
The average weight of a family of five members (in kg) whose weights are 40...
The average age of 40 students in a class is 15 years. When 10 new students are admitted, the average increases by 0.2 years. What is the average age of the new students?
The average age of 40 students in a class is 15 years. When 10 new...
The average of 6 numbers is 45. The average of the first four numbers is 40, and the fifth number is 50. What is the sixth number?
The average of 6 numbers is 45. The average of the first four numbers is...
If the average weight of 6 students is 50 kg; the average weight of 2 students is 51 kg, and the average weight of 2 other students is 55 kg; what is the average weight of all the students?
If the average weight of 6 students is 50 kg; the average weight of 2...
The average monthly income of A and B is ₹3,590.
The average monthly income of A and B is ₹3,590. The average monthly income of...
The average of 13 numbers is 8. If each number is multiplied by 7, then what will the new average be:
The average of 13 numbers is 8. If each number is multiplied by 7, then...
In an experiment, the refractive index of water was found to be 1.35, 1.29, 1.32 and 1.36. What is the average refractive index of water?
In an experiment, the refractive index of water was found to be 1.35, 1.29, 1.32...