Question

3850 students appeared for an exam out of which 18% failed. what is the respective ratio between the number of students who passed to the number of students who failed​

Answer 1

Answer:

9:50

Step-by-step explanation:

No of students appeared=3850

No of students failed=18/100*3850

                               =693 students

Ratio=a:b

         =693:3850

           =9:50

Answer 2

Answer:

failed=18%

Passed=100-18=82%

failed=3850 x 18/loo=693

Passed=3850x82/1oo=3157

Ratio = 3157:693