Find the 10th term of the arithmetic progression 1, 3.5, 6, 8.5,...? Options
A) 20
B) 23.5
C) 22.5
D) 18.25
E) 19.5
common difference = d = 3.5 - 1= 
<gadget id="calculator">3.5 - 1</gadget>
<output>2.5</output>
2.5 ,, n= 10, a = first term = 1----- 23.5y using arithmetic progression , t10 = a + (n-1)*d = 1 + (10-1)*2.5 = 1+22.5= 
<gadget id="calculator">1+22.5</gadget>
<output>23.5</output>
23.5 Ans - 23.5
<result>B</result>
Find the 10th term of the arithmetic progression 1, 3.5, 6, 8.5,...?