Question

In what ratio must two liquids of sugar having 25% and 40% sugar be mixed so that new liquid may contain 30% sugar?​

Answer 1

Step-by-step explanation:

Given - 

Sugar costing Rs. 40 per kg be mixed with sugar costing Rs. 48 per kg

Profit = 20%, selling price = Rs. 54

Formula used - 

Selling price = (100 + profit) × cost price/100

Solution - 

Let the cost price of whole mixture be Rs. x.

⇒ x = 54 × 100/120

⇒ x =  Rs. 45 

Ratio = (48 – 45) ∶ (45 – 40)

⇒ 3 ∶ 5

∴ The ratio is 3 : 5.