[I am posting on behalf of a 7Sage user:]
Can you go through and explain I am really confused I think PT 1 S3 Q07 has answer mistake.
The last sentence says that there is more male duck in the old duck ration compared to young duck ration with the female duck, which means more male in OD: FD compared to YD:FD.
After stating that they are saying that NOW we can infer that if there is more disparity b/w two sexes M: F the more the adult male ducks will be.
it is like saying that there are two liquids A AND B in both A and B there are three components 1,2, 4
( 1,2 both belong to the same group so lets say 1+2=3 )
now they have given us a ratio of 3:4 for both A and B and said that 3 is more in quantity than 4
but we know 3 has two components 1, 2 and they have also given us quantity comparison of 1,2,4 they are saying 1 has less quantity gap with 4 means if we add 1 into one flask and 4 into another flask they will look filled nearly the same, but if we compare 2 and 4 in quantity 2 is much more than 4
now they are saying we can use this for all so whenever 3 increases 2 will increase in greater proportion than 1 because the ratio of 2 is more compared to 4 means there are many 2 compared to 4 than there are 1 compared to 4,
A/B= west/east
1=young male 2 =old male 3=1+2 (all male)
4= total female
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