If the 3rd and the 9th terms of an A.P. are 4 and -8 respectively.

If the 3rd and the 9th terms of an A.P. are 4 and -8 respectively, then which term of this A.P. is zero?

Solution:

Which term of the list of numbers 5, 2, -1, -4, … is -55?

Solution:

More Solutions:

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