The average of all numbers between 6 and 50 which are divisible by 5
The average of all numbers between 6 and 50 which are divisible by 5.
6 और 50 के बीच की सभी संख्याओं का औसत जो 5 से विभाज्य है
Detailed Solution & Logic
Correct Answer:
27.5
Numbers divisible by $5$ between $6$ and $50$ are:
$10, 15, 20, 25, 30, 35, 40, 45$
These are in A.P.
Average $= \frac{\text{First term}+\text{Last term}}{2}$
$= \frac{10+45}{2}$
$= \frac{55}{2}$
$= 27.5$
Correct Answer: 27.5
Similar Practice Questions
The average weight of the first 11 persons out of 12 is 95 kg. The 12th person’s weight is 33 kg more than the average weight of all 12 persons. What is the weight of the 12th person?
The average weight of the first 11 persons out of 12 is 95 kg. The...
The average of 8 numbers is 56.If two of them are removed and the new average becomes 54,
The average of 8 numbers is 56. If two of them are removed and the...
A car travels 194 Km in the first hour and 286 km in the second hour.
A car travels 194 Km in the first hour and 286 km in the second...
The sum of five numbers is 655. The average of the first…
The sum of five numbers is 655. The average of the first two numbers is...
The average height of 25 boys is 1.4 m. After 5 boys…
The average height of 25 boys is 1.4 m. After 5 boys from this group...
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...
Find the average of first 139 even numbers.
Find the average of first 139 even numbers. प्रथम 139 सम संख्याओं का औसत ज्ञात...