Quantitative Aptitude Ques 840

Question: A crate of apples contains one bruised apple for every 30 apples in the crate. If 3 out of every 4 bruised apples are considered unsalable and there are 12 unsalable apples in the crate, then how many apples are there in the crate?

Options:

A) 480

B) 270

C) 600

D) 740

Show Answer

Answer:

Correct Answer: A

Solution:

  • 1 crate has 1 bruised apple for every 30 apples. 3 out of 4 are considered as unsalable, then for 3 unsalable apples, total apples $ =30\times 4=120 $ Similarly, for 12 unsalable apples. Total apples $ =4\times 120=480 $ Alternate Method
    Unsalable apples be $ x. $
    $ 3:4::12:x $

$ \Rightarrow $ $ x=16 $

$ \therefore $ Total number of apples $ =16\times 30=480 $

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