the average runs of a cricket player of 10 innings was 20. how many runs must he make in his next innings so as to increase his average of runs by 4?  Choices:
A) 22 B) 77 C) 64 D) 19 E) 17
<gadget id="calculator">10 + 1</gadget>
<output>11</output>

<gadget id="calculator">20 + 4</gadget>
<output>24</output>

<gadget id="calculator">11 * 24</gadget>
<output>264</output>

<gadget id="calculator">20 * 10</gadget>
<output>200</output>

<gadget id="calculator">264 - 200</gadget>
<output>64</output>

<result>C</result>
the average runs of a cricket player of 10 innings was 20. how many runs must he make in his next innings so as to increase his average of runs by 4?
subtract(multiply(add(10, const_1), add(20, 4)), multiply(20, 10))
"explanation : average after 11 innings = 24 required number of runs = ( 24 * 11 ) – ( 20 * 10 ) = 264 – 200 = 64 answer : c"