Ques1: Find the sum of first two 40 positive
integers divisible by 6.
Ques2:In an A.P., find n and Sn if
a = 5, d = 3, an = 50
Ques3: Is -150 a term of 11, 8 , 5 ,2
.. ? Why?
Ques4: If the 8th term of an
A.P. Is 31 and the 15th term is 16 more than the 11th
term, find the A.P.
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