### Math MCQ - English

** A.P whose nth term is 2n-1 is**

1,3,6,…

2,3,5,…

1,3,5,…

5,3,1,…

Answer : C

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** 2) A.P whose nth term is 2n-1 is**

** 3) A number 15 is divided into three parts which are in AP and sum of their squares is 83. The smallest part is**

** 4) Common difference of sequence 5,8,11,14,… is**

** 5) The sum of the first ten terms of an AP is four times the sum of the first five terms, then the ratio of the first term to the common difference is**