Mathematics
NULL
Medium
Question
Find the ratio for mixing rice at Rs.7.20/kg with rice at Rs.5.70/kg to get a mix worth Rs.6.30/kg.
A
1 : 3
B
2 : 3
✓ Official correct answer
C
3 : 4
D
4 : 5
Community credibility
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A
1 : 3
No member explanations yet for this option.
B
2 : 3
No member explanations yet for this option.
C
3 : 4
No member explanations yet for this option.
D
4 : 5
No member explanations yet for this option.
Explanation
7.20-rice : 5.70-rice = (6.30−5.70):(7.20−6.30) = 2 : 3.