Question : The line chart given below shows the number of male teachers and female teachers in 5 schools.
J1 = Total number of male and female teachers in school P.
J2 = The difference between the total number of male and the total number of female teachers in all the 5 schools.
What is the value of (J1 : J2)?
Option 1: 7 : 4
Option 2: 4 : 7
Option 3: 9 : 7
Option 4: 5 : 7
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Correct Answer: 7 : 4
Solution :
J1 = 80 + 60 = 140
J2 = (60 + 80 + 70 + 50 + 30) – (80 + 70 + 20 + 10 + 30) = 80
(J1 : J2) = 140 : 80 = 7 : 4
Hence, the correct answer is 7 : 4.
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