Alligation and mixture question and answers for bank and ssc exams

Alligation and mixture question and answers for Competition Exams:

6. In what ratio must a grocer mix two varieties of pulses costing Rs. 15 and Rs. 20 per kg respectively so as to get a mixture worth Rs. 16.50 kg?

(A) 3 : 2

(B) 7 : 5

(C) 7 : 3

(D) 3 : 7

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7. In what ratio must at tea at Rs. 62 per kg be mixed with tea at Rs. 72 per kg so that the mixture must be worth Rs. 64.50 per kg?

(A) 3 : 1

(B) 4 : 2

(C) 5 : 3

(D) 2 : 3

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8. The cost of Type 1 rice is Rs. 15 per kg and Type 2 rice is Rs. 20 per kg. If both Type 1 and Type 2 are mixed in the ratio of 2: 3, then the price per kg of the mixed variety of rice is:

(A) Rs. 18

(B) Rs. 19

(C) Rs. 19.5

(D) Rs. 18.5

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9. How many kilograms of sugar costing Rs. 9 per kg must be mixed with 27 kg of sugar costing Rs. 7 per kg so that there may be a gain of 10% by selling the mixture at Rs.9.24 per kg?

(A) 35 kg

(B) 43kg

(C) 52 kg

(D) 63 kg

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10. A dishonest milkman professes to sell his milk at cost price but he mixes it with water and thereby gains 25%. The percentage of water in the mixture is:

(A) 4 %

(B)

(C) 20%

(D) 35 %

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