60% of Ram's marks is equal to 20% of Rahim's marks which percent is equal to 30% of Robert's marks. If Robert's marks is 80, then find the average marks of Ram and Rahim? Pick one: A) 70 B) 97 C) 80 D) 90 E) 76
Given, 60% of Ram's marks = 20% of Rahim's marks = 30% of Robert's marks.   Given, marks of Robert = 80   30% of 80 = 30/100 * 8 = 24   Given, 60% of Ram's marks = 24.   =&gt; Ram's marks = (24 * 100)/60= 
<gadget id="calculator">(24 * 100)/60</gadget>
<output>40</output>
40   Also, 20% of Rahim's marks= 24   =&gt; Rahim's marks = (24 * 100)/20= 
<gadget id="calculator">(24 * 100)/20</gadget>
<output>120</output>
120   Average marks of Ram and Rahim= (40 + 120)/2= 
<gadget id="calculator">(40 + 120)/2</gadget>
<output>80</output>
80.   Answer:80
<result>C</result>
60% of Ram's marks is equal to 20% of Rahim's marks which percent is equal to 30% of Robert's marks. If Robert's marks is 80, then find the average marks of Ram and Rahim?