What is the sum of natural numbers between 30 and 100	Choices.
A) 4615  B) 4860  C) 5000  D) 5500  E) 5550
a = first number   l = last number   Sn = n/2[a + l]   between 30 and 100 numbers = 71 =&gt; 100 - 30= 
<gadget id="calculator">100 - 30</gadget>
<output>70</output>
70 + 1= 
<gadget id="calculator">70 + 1</gadget>
<output>71</output>
71   Sn= 71/2 Ã— 130 = 71 Ã— 65 = 4615   4615nswer : 4615
<result>A</result>
What is the sum of natural numbers between 30 and 100