The sum of ages of Aswin ,Sachin and Sumesh is 93 years.10 years ago ratio of their age was 2:3:4.what is the present age of sachin. Choose the correct choice from the following options
A) 19
B) 21
C) 31
D) 41
E) 51
Solution:Sum of the present ages of Aswin ,Sachin and Sumesh=93   Sum of the ages of Aswin ,Sachin and Sumesh 10 years ago=93- 10*3= 
<gadget id="calculator">93- 10*3</gadget>
<output>63</output>
63   Age of sachin 10 years ago=(3/(2+3+4)) * 63= 
<gadget id="calculator">(3/(2+3+4)) * 63</gadget>
<output>21</output>
21.   Present age of Sachin=21+10= 
<gadget id="calculator">21+10</gadget>
<output>31</output>
31   Answer 31
<result>C</result>
The sum of ages of Aswin ,Sachin and Sumesh is 93 years.10 years ago ratio of their age was 2:3:4.what is the present age of sachin.