please ans this question...
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GIVEN :-
In an AP,
n = 60
a = 7
l = 125
SOLUTION :-
l = a + (n-1) d
=> 125 = 7 + (60 - 1)d
=> d = (125 - 7)/59
=> d = 2
Now,
31st term will be as follows;
a31 = a + (n-1)d
=> a31 = 7 + 30 × 2
= 7 + 60
= 67 (ANS)
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