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Mathematics
Mathematics
Problem
In the arithmetic progression
−
3
,
1
,
5
,
…
-3, 1, 5, \ldots
−
3
,
1
,
5
,
…
, which term of the progression equals
85
85
85
? a)
22
nd
22^{\text{nd}}
2
2
nd
term b)
23
rd
23^{\text{rd}}
2
3
rd
term c)
21
st
21^{\text{st}}
2
1
st
term d)
24
th
24^{\text{th}}
2
4
th
term
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