7. Find the 20th term from the last term of the AP: 3,8, 13,. . ., 253 – InterviewSolution

1.	7. Find the 20th term from the last term of the AP: 3,8, 13,. . ., 253
Answer» Givena=3d=8-3=5Hencean=a+(n-1)da20=3+19*5=3+95=98

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