if 8 men or 12 women can do a piece of work in 35 days, in how many days can the same work be done by 6 men and 11 women?
Select the correct option:
A) 10 days
B) 11 days
C) 13 days
D) 15 days
E) 21 days
<gadget id="calculator">8 * 35</gadget>
<output>280</output>

<gadget id="calculator">6 / 280</gadget>
<output>3/140 = around 0.021429</output>

<gadget id="calculator">12 * 35</gadget>
<output>420</output>

<gadget id="calculator">11 / 420</gadget>
<output>11/420 = around 0.02619</output>

<gadget id="calculator">(3/140) + (11/420)</gadget>
<output>1/21 = around 0.047619</output>

<gadget id="calculator">1 / (1/21)</gadget>
<output>21</output>

<result>E</result>
if 8 men or 12 women can do a piece of work in 35 days, in how many days can the same work be done by 6 men and 11 women?
inverse(add(divide(6, multiply(8, 35)), divide(11, multiply(12, 35))))
"8 men = 12 women ( i . e 2 men = 3 women ) 12 women 1 day work = 1 / 35 soln : 6 men ( 9 women ) + 11 women = 20 women = ? 1 women 1 day work = 12 * 35 = 1 / 420 so , 20 women work = 20 / 420 = 1 / 21 ans : 21 days answer : e"