Ashok secured average of 74 marks in 6 subjects. If the average of marks in 5 subjects is 74, how many marks did he secure in the 6th subject? Choose the correct choice.
A) 66 B) 74 C) 78 D) 80 E) None of these
Explanation:   Number of subjects = 6   Average of marks in 6 subjects = 74   Therefore total marks in 6 subjects = 74 * 6= 
<gadget id="calculator">74 * 6</gadget>
<output>444</output>
444   Now, No. of subjects= 5   Total marks in 5 subjects = 74 * 5= 
<gadget id="calculator">74 * 5</gadget>
<output>370</output>
370   Therefore marks in 6th subject= 444 – 370 = 74   ANSWER 74
<result>B</result>
Ashok secured average of 74 marks in 6 subjects. If the average of marks in 5 subjects is 74, how many marks did he secure in the 6th subject?