Correct Answer: 2 : 3 : 4
Explanation:
Number of increased seats are (140% of 5x), (150% of 7x) and (175% of 8x).
⟹ | ❨ | 140 | x 5x | ❩ | , | ❨ | 150 | x 7x | ❩ | and | ❨ | 175 | x 8x | ❩ |
100 | 100 | 100 |
⟹ 7x, | 21x | and 14x. |
2 |
∴ The required ratio = 7x : | 21x | : 14x |
2 |
⟹ 14x : 21x : 28x
⟹ 2 : 3 : 4.
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