Ashok secured average of 70 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:
A) 50	B) 74	C) 78	D) 80	E) None of these
Explanation:   Number of subjects = 6   Average of marks in 6 subjects = 70   Therefore total marks in 6 subjects = 70 * 6= 
<gadget id="calculator">70 * 6</gadget>
<output>420</output>
420   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= 420 – 370 = 50   50NSWER 50
<result>A</result>
Ashok secured average of 70 marks in 6 subjects. If the average of marks in 5 subjects is 74, how many marks did he secure in the 6th subject?