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Q.
The number of oranges in three baskets are in the ratio of 3 : 4 : 5. In which ratio the no. of oranges in first two baskets must be increased so that the new ratio becomes 5 : 4 : 3?
A.
1:3
B.
2:1
C.
3:4
D.
2:3
View Answer
Correct choice: B
Explanation:
Let, B1 : B2 : B3 = 3x : 4x : 5x again B1 : B2 : B3 = 5y : 4y : 3y Since there is increase in no.of oranges in first two baskets only, it means the no. of oranges remains constant in the third basket Therefore, 5x = 3y Hence 3x : 4x : 5x => 9y5:12y5:15y59y5:12y5:15y5 = 9y:12y:15y and 5y : 4y : 3y => 25x : 20x : 15x Therfore, increment in first basket = 16 Increment in second basket = 8 Thus, required ratio = 16/8 = 2:1
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