Question

Which of the following is not an A.P?
a) 2,4,6,8,10.... b) -17, -12, -7, -2, 3,... c) 1.5,4,6.5,9... d) 1,4,9,16,25,....

Answer 1

Answer:

d) 1,4,9,16,25 is not an AP

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