8 Find the 10th term from the last in the arithmetic progression 3, 8, – InterviewSolution

1.

8 Find the 10th term from the last in the arithmetic progression 3, 8, 13, ....253

Answer»

we have to find frm end thn write the AP frm end

253,248,243,.......,3

For this AP a=253

d = 248-253 =-5

an=a+ (n-1)d

a10=253+(10-1)(-5)

a10=253+9(-5)

a10=253-45

a10=208

thanku very very much

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