Quantitative Aptitude Quiz for LIC AAO 2016 – Set 11

Hello and welcome to ExamPundit. Here is a set of Quantitative Aptitude Quiz for LIC AAO 2016.

1. 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) 10%
(b) 15%
(c) 20%
(d) 25%
(e) None of these
2. A can contains a mixture of two liquids A and B in the ratio 7 : 5. When 9 litres of mixture are drawn off and the can in filled with B, the ratio of A and B becomes 7 : 9. How many litres of liquid A was contained by the can initially?
(a) 10
(b) 20
(c) 21
(d) 25
(e) None of these
3. Ram prepares solutions of alcohol in water according to customers’ needs. This morning Ram has prepared 27 litres of a 12% alcohol solution and kept it ready in a 27 litre delivery container to be shipped to the customer. Just before delivery, he finds out that the customer had asked for 27 litres of 21% alcohol solution. To prepare what the customer wants, Ram replaces a portion of 12% solution by 39% solution. How many litres of 12% solution are replaced?
(a) 5
(b) 9
(c) 10
(d) 12
(e) None of these

4. There are two containers : the first contains 500 ml of alcohol, while the second contains 500 ml of water. Three cups of alcohol from the first container is removed and is mixed well in the second container. Then three cups of this mixture is removed and is mixed in the first container. Let ‘A’ denote the proportion of water in the first container and ‘B’ denote the proportion of alcohol in the second container. Then,
(a) A > B
(b) A < B
(c) A = B
(d) Cannot be determined
(e) None of these

5. The average age of a couple is 25 years. The average age of the family just after the birth of the first child was 18 years. The average age of the family just after the second child was born was 15 years. The average age of the family after the third and the fourth children (who are twins) were born was 12 years. If the present average age of the family of six persons is 16 years, how old is the eldest child ?
(a) 6 years
(b) 7 years
(c) 8 years
(d) 9 years
(e) None of these
6. A dairyman pays Rs 6.4 per litre of milk. He adds water and sells the mixture at Rs 8 per litre, thereby making 37.5% profit. The proportion of water to milk received by the customers is :
(a) 1 : 5
(b) 1 : 10
(c) 1 : 20
(d) 1 : 12
(e) None of these
7. A man sells an article at 5% profit. If he had bought it at 5% less and sold if for Rs 1 less, he would have gained 10%. Find the cost price.
(a) 100
(b) 150
(c) 200
(d) 250
(e) None of these
8. Instead of a metre scale cloth merchant uses a 120 cm scale while buying but uses an 80 cm scale while selling the same cloth. If he offers a discount of 20 per cent of cash payment, what is his overall per cent profit?
(a) 20%
(b) 25%
(c) 40%
(d) 15%
(e) None of these
9. A and B invested in the ratio 3 : 2 in a business. If 5% of the total profit goes to charity and A’s share is Rs 855, the total profit is
(a) Rs 1000
(b) Rs 1500
(c) Rs 1450
(d) Rs 1475
(e) None of these
10. A and B start a business. A invests Rs 600 more than B for 4 months and B for 5 months. A’s share is Rs 48 more than that of B, out of a total profit of Rs 528. The capital contributed by each is
(a) Rs 1200, Rs 1800
(b) Rs 1300, Rs 1700
(c) Rs 1350, Rs 1850
(d) Rs 1250, Rs 1600
(e) None of these


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