sry guys ...by mistake it was given 10 points for the last question ..
today's lucky question for 100 marks is here!
How Long Is A Fortnight?
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Answers
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2
Answer:
- Tn = a + ( n - 1 )d
- T11 = -5 + ( 11-1 )5/2
- T11 = -5 + 10×5/2
- T11 = -5 + 25
- T11 = 20 ans
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