Study the graph and answer the question.

What is the ratio of the number of families whose monthly expenditures on education are below ₹3,000 to the number of families whose monthly expenditures on education are ₹4,000 or above but less than ₹5,500?

21 : 32

Monthly expenditure below 3000  :  Monthly expenditure b/w 4000 and 5500

  ( 23 + 35 + 47 )    :     ( 65 + 52 + 43 )

         105               :            160

           21               :              32