The ratio of the number of males and females in a group is 6 : 7. Fifteen females leave the group. As a result, this ratio becomes 12 : 11. Now, if 6 males join the group, then what will be the ratio of the number of males and females in the group?
Answer & explanation
Correct answer: option 2
Male : Female
6 : 7
⇒ 15 Female left and ratio becomes,
Male : Female
12 : 11
⇒ Making Male ratio equal in both situation we multiply initial ratio with 2,
⇒ (6 : 7) x 2 = 12 : 14
⇒ According to the question,
⇒ 14 - 11 = 3 units = 15
⇒ 1 unit = 5.
⇒ Male = 12 x 5 = 60, Female = 11 x 5 = 55
⇒ Now 6 males are added = 60 + 6 = 66
⇒ New ratio of Male and Female = 66 : 55 = 6 : 5.