Quantitative Aptitude For SSC CGL,CHSL : 31st January 2020 for Mixture and allegation

Q1. How much water to be added to 93 liters of milk worth Rs. 8.60 a litre so that the value of the mixture may be Rs. 6.20 a litre?
(a) 37 liters
(b) 36 liters
(c) 24 liters
(d) 48 liters

Q2. In what ratio, sugar costing 75 per kg be mixed with sugar costing 37 per kg such that by selling the mixture of Rs 49 per kg there is a gin of
(a) 17:29
(b) 11:27
(c) 12:29
(d) 9:28

Q3. In what proportion Clay must be added to Cement to gain 16% by selling it at the cost price?
(a) 4: 25
(b) 7: 35
(c) 29: 25
(d) 4: 21

Q4. A person has a chemical of Rs. 85 per litre. In what ratio should water be mixed in that chemical, so that after selling the mixture at Rs. 64 litre he may get a profit of 46 %?
(a) 840 : 1614
(b) 660 : 1943
(c) 640 : 1241
(d) 480 : 1343

Q5. A trader has 75 kg of pulses, part of which he sells at 13% profit and the rest at 23% profit. He gains 19% on the whole. What is the quantity sold at 23% profit?
(a) 45 kg
(b) 25 kg
(c) 35 kg
(d) 15 kg

Q6. A seller mixes two kinds of Salt one at Rs. 19 kg and other at Rs. 35 per kg. In what ratio should he mix them to get the price of mixture at Rs. 29.50 per kg?
(a) 23 : 17
(b) 21 : 11
(c) 17 : 23
(d) 11 : 21

Q7. A jar full of Petrol contains 40% of Crude oil. A part of this Petrol is replaced by another containing 19% Crude oil and, now the percentage of Crude oil was found to be 26%. The quantity of Petrol replaced is:

Q8. A solution of Cough syrup has 15% Alcohol. Another solution has 5% Alcohol. How many litres of the second solution must be added to 20 litres of the first solution to make a solution of 10% Alcohol?
(a) 10
(b) 5
(c) 15
(d) 20

Q9. The Salt sold by a grocer contained 10% low quantity Salt. What quantity of good quality Salt should be added to 150 kg of Salt so that the percentage of low quality Salt become 5%?
(a) 150 kg
(b) 135 kg
(c) 50 kg
(d) 85 kg

Q10. A Shopkeeper mixed Lime and Soda in such a way such that the mixture contains 10% Soda. What quantity of Lime should be added to 1 Kg mixture, so that the percentage of Soda becomes 5%?
(a) 1000 ml.
(b) 900 ml
(c) 1900 ml.
(d) 1800 ml

Solutions:

Profit & Loss | Maths by Ajay Sir | SSC CGL | SSC CHSL | NTPC | Super Educator – 3

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