1.

Which term of a. P. 3,7,.......is 79?

Answer» 20th term
79=3+(n-1)4n=20
79 is 20th term of AP
79 is 18th term of an ap
79 is 20th term of this A.P
20
There must be three terms to make an A.P. but if it is a real A.P then the 20th term will be 79.
34
20


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