6 boysand 8 girls can do job in 10 days ,26 boys & 48 women do work in 2 days find time taken by 15 boys and 20 girls to do same work
Select
A) 4 days  B) 5 days  C) 6 days  D) 7 days  E) 8 days
6b+8g=1/10(1 day work) ------&gt;(I)   26b+48w=1/2 --------&gt;(II)   Divide both sides by 2 in (I) and multiply both sides by 5   now we get   15b+20b=1/4   so ans. is 4 days.   4 daysNSWER:4 days
<result>A</result>
6 boysand 8 girls can do job in 10 days ,26 boys & 48 women do work in 2 days find time taken by 15 boys and 20 girls to do same work