DSSSB · Mathematics
Two types of oils are mixed in the ratio of 7 : 3. Their prices are ₹130 and ₹140 per liter respectively. What will be the average price per liter of the mixture?
- ₹135
- ₹138
- ₹136
- ₹133
दो प्रकार के तेल 7 : 3 के अनुपात में मिलाए जाते हैं। उनकी कीमतें क्रमशः ₹130 और ₹140 प्रति लीटर हैं। मिश्रण की औसत कीमत प्रति लीटर क्या होगी?
- ₹135
- ₹138
- ₹136
- ₹133
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