Alligation or Mixtures MCQ Set 4

Showing question 16 to 20 of total 30 MCQs

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Question No: 16

A mixture consists of some amount of sandalwood oil and 240 liters of water. It is priced at Rs. 275 per liter. Sandalwood oil is priced Rs. 325 per liter. How much oil is there in the mixture?

1. 720 liters
2. 1000 liters
3. 1320 liters
4. 1200 liters

Answer: C

Explanation

Question No: 17

In a mixture of 90 L the ratio of acid and water is 2 : 1. If the ratio of acid and water is to be 1 : 2, then the amount of water (in liters) to be added to the mixture is?

1. 20L
2. 40L
3. 90L
4. 100L

Question No: 18

Resultant price of mixture of golden rice is Rs. 480 per kg. This mixture is made from two varieties of golden rice which are having price of Rs. 420 per kg and Rs. 520 per kg. What should be ratio of quantities of both types of golden rice?

1. 1:3
2. 1:2
3. 2:1
4. 4:1

Answer: B

Explanation

Question No: 19

In what proportion must wheat at Rs. 15 per kg. be mixed with wheat at Rs. 18 per kg. So that the mixture will be worth Rs. 17 per kg. ?

1. 2 : 1
2. 1 : 2
3. 3 : 2
4. 2 : 3

Question No: 20

If 500 gm of salt solution has 30% salt in it, how much salt must be added to make the concentration of salt 50% in the solution?

1. 200 gm
2. 100 gm
3. 90 gm
4. 50 gm