# Alligation Rule 1/1

1. In what ratio milk with 40% concentration is mixed with another milk with concentration 60% to get 55% concentration?
a. 2 : 3
b. 1 : 3
c. 3 : 1
d. 3 : 2

2. In what ratio must alcohol with 50% concentration mixed with water so that the resultant mixture has concentration 20%?
a. 2 : 3
b. 3 : 2
c. 4 : 5
d. 5 : 4

3. In what ratio Sugar costing Rs.15 per kg be mixed with sugar costing Rs.24 per kg so that the mixture is worth Rs.20 per kg?
a. 4 : 5
b. 2 : 3
c. 3 : 1
d. 1 : 3

4. A shopkeeper sold some quantity at a loss of 5% and rest at 12% profit, making 8% profit on the whole. Find the ratio between the goods he sold at loss and profit.
a. 4 : 13
b. 5 : 13
c. 13 : 4
d. 5 : 12

5. A total sum of Rs.130 was collected for a small party from boys and girls of a team of 5. If each boy contributes Rs.20 and each girl contributes Rs.30. Find the number of girls in that team.
a. 1
b. 2
c. 3
d. 4

6. A person invested Rs.5000 in two schemes which offer interest rates 10% p.a and 15% p.a respectively. If he gets a total of Rs.600 as interest, find the money invested at first scheme.
a. Rs.3000
b. Rs.1500
c. Rs.1000
d. Rs.800