## Mathematics TERM II

## Arithmetic Progressions

## Class 10 Session 2021-2022

## Case Study Questions 01

1. Which of the following terms are in AP for the given situation?

(a) 51, 53, 55, …

(b) 51, 49, 47, …

(c) –51, –53, –55, …

(d) 51, 55, 59, …

(b) 51, 49, 47….

2. What is the minimum number of days he needs to practice till his goal is achieved?

(a) 10

(b) 12

(c) 11

(d) 9

(c) 11

3. Which of the following term is not in the AP of the above given situation?

(a) 41

(b) 30

(c) 37

(d) 39

(b) 30

4. If `n^{th}` term of an AP is given by `a_{n}=2n+3` then common difference of an AP is

(a) 2

(b) 3

(c) 5

(d) 1

(a) 2

5. The value of `x`, for which `2x`, `x + 10`, `3x + 2` are three consecutive terms of an AP is

(a) 6

(b) – 6

(c) 18

(d) –18

(a) 6