In what ratio should a seller mix oil of Rs. 100 per litre with oil at Rs. 90 per litre, so that the mixture would worth Rs. 92.50 per litre?
1
3 : 2
2
5 : 7
3
4 : 7
4
1: 3
5
None of these
In what ratio should a seller mix oil of Rs. 100 per litre with oil at Rs. 90 per litre, so that the mixture would worth Rs. 92.50 per litre?