If 15 men can reap 80 hectares in 24 days , then how many hectares can 36 men reap in 30 days? Choose the correct option.
A) 127  B) 240  C) 287  D) 450  E) 281
Explanation:   Let the required no of hectares be x. Then   Men --- Hectares---Days   15---------80---------24   36---------x---------30   More men, More hectares (Direct proportion)   More days, More hectares (Direct proportion)   x=36/15*30/24*80= 
<gadget id="calculator">36/15*30/24*80</gadget>
<output>240</output>
240   Answer: 240
<result>B</result>
If 15 men can reap 80 hectares in 24 days , then how many hectares can 36 men reap in 30 days?