A student gets an aggregate of 60% marks in five subjects in the ratio 10 : 9 : 8 : 7 : 6. If the passing marks are 50% of the maximum marks and each subjects has the same maximum marks, in how many subjects did he pass the exam? Select.
A) 2	B) 3	C) 4	D) 5	E) 6
take the maximum mark in each sub as 100. qualify mark is 50.On a total dt fellow gets 60 x 5= 100.   We can write (10+9+8+7+6)a=300 =&gt; a=15/2   In 5 subjects he gets 75,67.5,60,52.5,45.   He passes in 4 subjects...   ANSWER:4
<result>C</result>
A student gets an aggregate of 60% marks in five subjects in the ratio 10 : 9 : 8 : 7 : 6. If the passing marks are 50% of the maximum marks and each subjects has the same maximum marks, in how many subjects did he pass the exam?