respectively. If the ratio of number of males to females in city is P and Q is 6:5 and 5:4 respectively, then find the difference between number of males in city P and number of females in city Q.
A380Correct AnswerIncorrect Answer
B120Correct AnswerIncorrect Answer
C220Correct AnswerIncorrect Answer
D190Correct AnswerIncorrect Answer
E160Correct AnswerIncorrect Answer
Solution
Number of males in city P = 6/11 x 3740 = 2040 & number of females in city Q = 4/9 x 4320 = 1920 Desired difference = 2040 – 1920 = 120
