Question

there are 60 terms in a finite AP. its first term is 7 and the last term is 125. find its 32nd term.

Answer 1

Given

n=60

a=7

last term is 125

a+(n-1)d=125

7+59d=125

59d=118

d=118/59

=2

So

32nd term is a+31d

7+31*2

=7+62=69

The 32 nd term is an interesting number 69

Hope it helps.

Answer 2

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