Mixture and Alligation – SSC CGL Tier 1 previous year questions

Here is the compilation of all previous year question of Ratio and Proportion – Quantitative aptitude with answers.

Question 1 – Three bottles of equal capacity containing mixture of milk and water in ratio 2 : 5, 3 : 4 and 4 : 5 respectively. These three bottles are emptied into a large bottle. What will be the ratio of milk and water respectively in the large bottle? [09-AUG-2017 Shift-2 ]

Options:
1) 73 : 106
2) 73 : 116
3) 73 : 113
4) 73 : 189

Correct Answer: 73 : 116

Question:2)In what ratio tea at Rs 240/kg should be mixed with tea at Rs 280/kg so that on selling the mixture at Rs 324/kg there is a profit of 20%?[12-AUG-2017 Shift-3]

Options:
1) 1 : 1
2) 1 : 2
3) 1 : 3
4) 1 : 4

Correct Answer: 1 : 3

Question 3 :  – In what ratio sugar at Rs 30/kg should be mixed with sugar at Rs 45/kg so that on selling the mixture at Rs 42/kg there is a profit of 20%?
[09-AUG-2017 Shift-3]

Options:
1) 2 : 1
2) 2 : 3
3) 5 : 2
4) 3 : 7

Correct Answer: 2 : 1

Question:4) A milk merchant buys 50 litres of milk at the rate of Rs 40 per litre and mixes 5 litres of water in it. If he sells this mixture at the rate of Rs 42 per litre, then what is the profit percentage for the dealer?[16-AUG-2017 Shift-1]

Options:
1) 17.2
2) 14.4
3) 16.6
4) 15.5

Correct Answer: 15.5

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