જો x ∶ y = 3 ∶ 5 હોય, તો (2x + 5y) ∶ (2y - 3x)ની કિંમત કેટલી છે?

1
31 ∶ 1
2
19 ∶ 1
3
19 ∶ 6
4
31 ∶ 5

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