# Arithmetic Progressions

#### Question 2:

Choose the correct choice in the following and justify

**I**. 30^{th}
term of the A.P: 10, 7, 4, …, is

**A. **97 **B. **77 **C. **−
77 **D. **− 87

**II **11^{th}
term of the A.P.
is

**A. **28 **B. **22 **C. **−
38 **D. **

#### Answer:

**I. **Given that

A.P. 10, 7, 4, …

First
term, *a* = 10

Common
difference, *d* = *a*_{2} − *a*_{1 }=
7 − 10

= −3

We
know that, *a*_{n} = *a* + (...

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