# Alligation Rule 1- 2

7. A person covers 800km partly at a speed of 50kmph and partly at a speed of 150kmph, in 10 hours over all. What is the distance covered at the speeds of 150 kmph?
a. 450 km
b. 480 km
c. 510 km
d. 540 km

8. The cost of oil is Rs.100 per kilogram. After adulteration with another oil, which costs Rs.50 per kilogram, Ram sells the mixture at Rs.96 per kilogram making a profit of 20%. In what rate does he mix the two kinds of oil?
a. 3 : 5
b. 4 : 7
c. 5 : 7
d. 3 : 2

9. Two solutions of milk and water are combined in the ratio 2:3 by volume. The resultant solution is a 40% milk solution. Find the milk concentration in the first solution if the concentration of milk in the second is 60%?
a. 8
b. 10
c. 12
d. 20

10. A shopkeeper sold 45 kgs of goods. If he sells some quantity at a loss of 3% and rest at 17% profit, making 5% profit on the whole, find the quantity sold at profit.
a. 15
b. 18
c. 19
d. 20

11. A mixture of 70 litres of wine and water contains 10% water. How much water should be added to make 25% water in the resulting mixture?
a. 10
b. 12
c. 14
d. 18

12. A man purchased a horse and a cow for Rs. 5000. He sells the horse at 20% profit and the cow at 10% loss. If he gains 2% on the whole transaction, the cost of the horse is:
a. Rs.2000
b. Rs.1500
c. Rs.1000
d. Rs.800

13. In an examination, a student gets 3 marks for every correct answer and loses 1 mark for every wrong answer. If he scores '0' marks in a paper of 100 questions, how many of his answers were correct?
a. 25
b. 30
c. 40
d. 45

14. The batting average of a cricket player is 72 runs per inning. In the next 4 inning, he could score only 80 runs and thereby decreases his batting average by 2 runs. What is total number of inning played by him till last match?
a. 104
b. 108
c. 305
d. 406

15. The average weight of the students in four sections A, B, C and D is 55 kg. The average weights of the students A, B, C and D are 45 kg, 40 kg, 75 kg and 85kg respectively. If the average weight of the students of section A and D together is 65 kg and that of B and D together 55 kg, then what is the ratio of the number of students in A and C?
a. 5 : 1
b. 6 : 1
c. 2 : 1
d. 8 : 1

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