Ram wants to make a profit of 30% from selling a mixture of defective and non-defective radios which cost Rs. 40 per piece and Rs. 150 per piece. If he sells one from the mixture at Rs. 130 per piece, how many defective per non-defective did he sell.

1
4 ∶ 5
2
5 ∶ 4
3
5 ∶ 6
4
6 ∶ 5
5
3 ∶ 4

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