A, B, C and D are four students in a class. A's total score is 20% less than B's total score, C's total score is 25% more than A's total score, D's total score is 20% more than A’s total score. If the least total score among the scores is 240, then the ratio of the scores of the four students in the decreasing order is
- AOption (a)
30 ∶ 25 ∶ 24 ∶ 20
- BOption (b)
25 ∶ 24 ∶ 21 ∶ 20
- COption (c)
25 ∶ 25 ∶ 24 ∶ 20
- DOption (d)
30 ∶ 30 ∶ 25 ∶ 24
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Correct answer
30 ∶ 25 ∶ 24 ∶ 20