**1. The weight of 5 boys in a class are 49.6 kg, 39.8 kg, 40.8 kg, 45.2 kg, and 24.6 kg. Find their average weight.**

- 20 kg
- 40 kg.
- 30 kg.
- 25 kg.

**Answer with Explanation**

Answer: Option B

Explanation: No explanation for this question.

**2. The average of 20 items is 24. The average of 12 of them is 16. What is the average of remaining items?**

- 20
- 30
- 35
- 36

**Answer with Explanation**

Answer: Option D

Explanation: No explanation for this question.

**3. What is the average of odd numbers from 1 to 35.**

- 10
- 15
- 18
- 24

**Answer with Explanation**

Answer: Option C

Explanation: No explanation for this question.

**4. What is the average of even numbers from 1 to 60.**

- 20
- 31
- 50
- 71

**Answer with Explanation**

Answer: Option B

Explanation: No explanation for this question.

**5. What is the average of the first 30 consecutive odd numbers?**

- 30
- 40
- 50
- None of these.

**Answer with Explanation**

Answer: Option A

Explanation: No explanation for this question.