# CBSE Class 10-Mathematics: Chapter –5 Arithmetic Progressions Part 6

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**Question 5:**

Area of a sector of angle of a circle with radius R is

(a)

(b)

(c)

(d)

**Answer:**

(d)

**Question 6:**

Area of the sector of angle of a circle with radius is

(a)

(b)

(c)

(d) None of there

**Answer:**

(b)

**Question 7:**

11^{th} term of the AP is

(a)

(b)

(c)

(d)

**Answer:**

(b)

**Question 8:**

If 17^{th} term of an AP exceeds its 10^{th} term by . The common difference is

(a)

(b)

(c)

(d)

**Answer:**

(d)

**Question 9:**

Which of the following list of no. form an AP?

(a) 2, 4, 8, 16 …

(b)

(c)

(d)

**Answer:**

(b)

**Question 10:**

The term of the AP in is

(a)

(b)

(c)

(d)

**Answer:**

(a)

**Question 11:**

If and are in AP, then value of a is

(a)

(b)

(c)

(d)

**Answer:**

(b)

**Question 12:**

The sum of first positive integers is given by

(a)

(b)

(c)

(d) None of these

**Answer:**

(c)