# Simple Math

---

## Questions

--- 

##### Q 1: Evaluate the following formula:

```math
\sum_{i=5}^{8} 3
```

- A: 12
- B: 15
- C: 10
- D: 8

<details>
 <summary>Answer</summary>

#### Answer: A

ABC

</details>

--- 

##### Q 2: Evaluate the following formula:

```math
\sum_{i=5}^{8} 3i
````

- A: 68
- B: 78
- C: 88
- D: 98

<details>
 <summary>Answer</summary>

#### Answer: B

ABC

</details>

--- 

##### Q 3: Evaluate the following formula:

```math
\sum_{i=1}^{n} i 
```

- A:

- B:

- C:

- D:
```math
\frac{n(n+1)}{2}
```

<details>
 <summary>Answer</summary>

#### Answer: D

ABC

</details>

--- 

##### Q 4: Evaluate the following formula:

```math
\sum_{i=1}^{n} i^2
```

- A:
- B:
- C:
```math
\frac{n(n+1)(2n+1)}{6}
```
- D:

<details>
 <summary>Answer</summary>

#### Answer: D

ABC

</details>

--- 

##### Q 5: Evaluate the following formula:

```math
\sum_{i=1}^{n} i^p
```

- A:
- B:
- C:
```math
(\frac{1}{p+1}) (n^{p+1})
```
- D:

<details>
 <summary>Answer</summary>

#### Answer: D

ABC

</details>

--- 

##### Q 6: Evaluate the following formula:

```math
\sum_{i=1}^{n} \sqrt[2]{i}
```

- A:
- B:
- C:
- D:

<details>
 <summary>Answer</summary>

#### Answer: D

ABC

</details>

--- 

##### Q 7: Evaluate the following formula:

```math
\sum_{i=1}^{n} \frac{1}{i}
```

- A:
- B:
- C:
- D:

<details>
 <summary>Answer</summary>

#### Answer: D

ABC

</details>

--- 

##### Q 8: Evaluate the following formula:

```math
\sum_{i=1}^{n} \frac{1}{i^2}
```

- A:
- B:
- C:
- D:

<details>
 <summary>Answer</summary>

#### Answer: D

ABC

</details>

--- 

##### Q 9: Evaluate the following formula:

```math
\sum_{i=1}^{n} a \times f(i)
```

- A:
- B:
- C:
- D:

<details>
 <summary>Answer</summary>

#### Answer: D

ABC

</details>

--- 

##### Q 10: Evaluate the following formula:

```math
\sum_{i=1}^{n} \left( f(i) + g(i) \right)
```

- A:
- B:
- C:
- D:

<details>
 <summary>Answer</summary>

#### Answer: D

ABC

</details>

---

##### Q 11: Evaluate the following formula:

```math
\sum_{i=1}^{n} \left( f(i) - g(i+1) \right)
```

- A:
- B:
- C:
- D:

<details>
 <summary>Answer</summary>

#### Answer: D

ABC

</details>

---

##### Q 12: Evaluate the following formula:

```math
\sum_{i=1}^{n} \frac{1}{i(i+1)}
```

- A:
- B:
- C:
- D:

<details>
 <summary>Answer</summary>

#### Answer: D

ABC

</details>

---

##### Q 13: Evaluate the following formula:

```math
\sum_{k=1}^{n} \left( f(k) - f(k+1) \right)
```

- A:
- B:
- C:
- D:

<details>
 <summary>Answer</summary>

#### Answer: D

ABC

</details>

---