Ashok secured average of 78 marks in 6 subjects. If the average of marks in 5 subjects is 74, how many marks did he secure in the 6th subject?  Pick one.
A) 66  B) 74  C) 78  D) 98  E) None of these
Explanation:   Number of subjects = 6   Average of marks in 6 subjects = 78   Therefore total marks in 6 subjects = 78 * 6= 
<gadget id="calculator">78 * 6</gadget>
<output>468</output>
468   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= 468 – 370 = 98   ANSWER 98
<result>D</result>
Ashok secured average of 78 marks in 6 subjects. If the average of marks in 5 subjects is 74, how many marks did he secure in the 6th subject?