Question:
The average of all two digit numbers that are divisible by 5 is ______.
The average of all two digit numbers that are divisible by 5 is ______.
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For an AP, the average equals (first term + last term) divided by 2.
Updated On: Jul 3, 2026
- 33.5
- 55.5
- 52.5
- 40.5
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The Correct Option is C
Solution and Explanation
Step 1: Two digit numbers divisible by 5 range from 10 to 95, forming an arithmetic progression with common difference 5.
Step 2: Average of an AP = (first term + last term) / 2 \( = \frac{10+95}{2} = 52.5 \). Answer: option 3.
Step 2: Average of an AP = (first term + last term) / 2 \( = \frac{10+95}{2} = 52.5 \). Answer: option 3.
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