The first term of an arithmetic progression is 3 and the 10 th term is 21. Find 15 th and 22 nd terms.  Choose the most appropriate option:	A) 21,35	B) 31,45	C) 30,46	D) 29,40	E) 39,40
Exp. a = 3, T 10 = a +9d =21, 3 +9d = 21, d =18/9= 
<gadget id="calculator">18/9</gadget>
<output>2</output>
2   T 15= a + 14d =3 +14*2= 
<gadget id="calculator">3 +14*2</gadget>
<output>31</output>
31, T22= a + 21d = 3+ 21*2= 
<gadget id="calculator">3+ 21*2</gadget>
<output>45</output>
45   ANSWER:31,45
<result>B</result>
The first term of an arithmetic progression is 3 and the 10 th term is 21. Find 15 th and 22 nd terms.