13) Find 15th form of a 10, 05, 0, 5 ..
(A) 55
(B) 60
(c) 65
(D) none of these
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Answered by
1
Answer:
-60 is the answer for the question
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Answered by
1
Answer:
d) none of these
a= 10 d = 5- 10 = -5 n = 15 th
an = a+( n-1) d
an = 10 + (15 - 1) -5
an = 10 + (14) -5
an = 10 + (70)
an = 80
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