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The 20th term of Arithmetic Progression from ending is(a) 155 (b) 265 (c) 65 (d )165 If AP is 22,25,28,31,--------322. |
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Answer» Given, a=322 d=25-22 =3. s(N)=a+(n-1)d 322+(20-1)-3 322+(19)-3 322-57 265 option b is the CORRECT ANSWER
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