Aptitude , Chapter :Ratio Proportion

Question

Answer 1

Giraffe left : 124 - 64% of 124 = 45.88

For Congtin, in "other" category,

# of animals = 108.

Required, Giraffe left : #of animals == 45.88 : 108

= (somewhat) 1:2.

Therefore, (A) 1:2 should be the answer.