**NCERT Solutions For Class 10 Maths Chapter 5 Exercise 5.2**

**A. Fill in the blanks in the following table, given that a is the first term, d the common difference and a _{n} the n^{th} term of the AP: **

A | D | n | a_{n} |

7 | 3 | 8 | … |

-18 | … | 10 | 0 |

… | -3 | 18 | -5 |

-18.9 | 2.5 | … | 3.6 |

3.5 | 0 | 105 | … |

**Solution :** If a be the first term and d be the common difference of an AP then the n^{th} term of that AP is given by

a_{n} = a+(n-1)d

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