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FIND THE 20TH TERM of a.p. 3,8,13,.......253 From the post |
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Answer» Answer: 158 Step-by-step explanation: Solution : We have, l = Last term = 253 and, d = Common DIFFERENCE = 8 - 3 = 5 ∴ 20th term from the end = l - (20 - 1)d = l - 19d = 253 - 19 × 5 = 253 - 95 = 158 |
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