Previous year questions give guidance to us and provide a base for the preparation of any competitive exam. It is always good to have an experience of how the level of exam varies from year to year. For every subject like in Quantitative Aptitude, we come to know the pattern of questions must be followed to prepare the examination.
4. A seller mark the price 50% above the cost price and give 10% discount on an item. While selling he cheats customer by giving 20% less in weight .Find his overall profit percent (approximate)?
Answers:
Ans 1: (2) 69
New average =
68 + 1 = 69
Ans 2: (3) 5 : 12 : 14
5 : 12 : 14
Ans 3: (4) 4 : 5
Ans 4: (3) 69%
Ans 5: (2) 96,600
Percentage of monthly investment = 23%
1. The average marks in Science subject of a class of 20 students is 68. If the marks of two students were misread as 48 and 65 of the actual marks 72 and 61 respectively, then what would be the
correct average?
1. 68.5
2. 69
3. 69.5
4. 70
5. 66
2. A, B and C started a business with their investments in the ratio 1 : 2 : 4. After 6 month A invested the half amount more as before and B invested same the amount as before while C withdrew ¼ th of his investment. Find the ratio of their profits at the end of the year.
1. 5 : 12 : 13
2. 5 : 11 : 14
3. 5 : 12 : 14
4. 5 : 12 : 10
5. None of these
3. There are 81 liters pure milk in a container. One-third of milk is replaced by water in the container. Again one-third of mixture is extracted and equal amount of water is added. What is the ratio of milk to water in the new mixture?
1. 1 : 2
2. 1 : 1
3. 2 : 1
4. 4 : 5
5. 6 : 1
4. A seller mark the price 50% above the cost price and give 10% discount on an item. While selling he cheats customer by giving 20% less in weight .Find his overall profit percent (approximate)?
1. 26%
2. 63%
3. 69%
4. 74%
5. 79%
5. Mr. Sarang invests 6% of his monthly salary i.e. 2100 on insurance policies. Also he invests 8% of his monthly salary on family mediclaim policies and another 9% of his salary on NSCs. What is the total annual amount invested by Mr. sarang ?
1. 11,400
2. 96,600
3. 8,050
4. 9,500
5. 8,560
Answers:
Ans 1: (2) 69
New average =
68 + 1 = 69
Ans 2: (3) 5 : 12 : 14
Let the investment = 100 , 200 and 400
According to question,
( 100 × 6 + 150 × 6 ) : ( 200 × 6 + 400 × 6 ) : 400 × 6 + 300 × 6
15 : 36 : 42
Ans 3: (4) 4 : 5
Milk left=
Required ratio = 36 : 81 – 36 = 36 : 45 = 4 : 5
Required ratio = 36 : 81 – 36 = 36 : 45 = 4 : 5
Ans 4: (3) 69%
CP = 100 , MRP = 150 Then SP = 135
For cheating he sale 20% less in weight , new CP = 80
Profit %=
Ans 5: (2) 96,600
Percentage of monthly investment = 23%
Sarang’s annual income =
