Calculate how many days it will take for 7 boys to wash a 35 m long wall if 5 boys can wash a 25 m long wall in 4 days,	Answers:	A) 6 days	B) 3 days	C) 4 days	D) 2 days	E) 5 days
The length of wall painted by one boy in one day = 25 / 5 * 1/4= 
<gadget id="calculator">25 / 5 * 1/4</gadget>
<output>5/4 = around 1.25</output>
1.25 m   No. of days required to paint 50 m cloth by 8 boys= 35/ 7 *1/ 1.25= 
<gadget id="calculator">35/ 7 *1/ 1.25</gadget>
<output>4</output>
4 days.   4 days
<result>C</result>
Calculate how many days it will take for 7 boys to wash a 35 m long wall if 5 boys can wash a 25 m long wall in 4 days,