Percentage Mcqs

Q.  The ratio of the prices of three articles X, Y and Z is 8 : 5 : 3. If the prices of X , Y and Z are increased by 25%, 20% and 33 1/3% respectively, then what would be the ratio of the new prices of X, Y and Z?

a. 5 : 3 : 1
b. 5 : 3 : 2
c. 10 : 7 : 4
d. 10 : 8 : 5
e. None of these


ANSWER: See Answer
 
Let the prices of X, Y and Z be 8k, 5k and 3k respectively.

After increase
Price of X = 8k * 125/100 = 10k
Price of Y = 5k * 120/100 = 6k
Price of Z = 3k * (133 1/3)/100 = 4k
Required ratio = 10k : 6k : 4k = 5 : 3 : 2.
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