50% 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) 84  D) 90  E) 76
Given, 50% 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, 50% of Ram's marks = 24.   =&gt; Ram's marks = (24 * 100)/50= 
<gadget id="calculator">(24 * 100)/50</gadget>
<output>48</output>
48   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= (48 + 120)/2= 
<gadget id="calculator">(48 + 120)/2</gadget>
<output>84</output>
84.   Answer:84
<result>C</result>
50% 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?