The average of Pratyush's marks in 7 subjects is 75. His average in six subjects excluding Science is 72. How many marks did he get in Science?	Choose the correct choice.
A) 72 B) 93 C) 99 D) 100 E) 56
Explanation :   Marks in Science (7*75 - 6*72)= 
<gadget id="calculator">(7*75 - 6*72)</gadget>
<output>93</output>
93.   Answer : 93
<result>B</result>
The average of Pratyush's marks in 7 subjects is 75. His average in six subjects excluding Science is 72. How many marks did he get in Science?