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Directions: Study the table carefully and answer the given question:
| Publishing Houses | Number of Books Published | Ratio of Academic and Non-academic Books | Percentage of Books distributed | Number of distributors in publishing house |
| :--- | :--- | :--- | :--- | :--- |
| M | 28200 | 7 : 3 | 81 | 17 |
| N | 32200 | 5 : 9 | 74 | 23 |
| O | 29700 | 6 : 5 | 92 | 18 |
| P | 31200 | 8 : 5 | 86 | 24 |
| Q | 33800 | 7 : 6 | 79 | 25 |
| R | 35700 | 11 : 6 | 82 | 21 |
| S | 37800 | 5 : 13 | 89 | 24 |
If the total number of books published by publishers P, Q and R is increased by 30% and the total number of books published by remaining publishers be decreased by 20%, what will be the new average of books published by all the publishers?
Aptitude Statistics Difficulty: Hard
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Directions: Study the following information and answer the questions that follow :
The graph given below represents the production (in tonnes) and sales (in tonnes) of Company A from 2006 to 2011.
[Graph Data of Company A]
| Year | Production (in tonnes) | Sales (in tonnes) |
|---|---|---|
| 2006 | 750 | 300 |
| 2007 | 800 | 550 |
| 2008 | 600 | 450 |
| 2009 | 550 | 400 |
| 2010 | 700 | 500 |
| 2011 | 650 | 550 |
The table given below represents the ratio of the production (in tonnes) of Company A to the production (in tonnes) of Company B, and the ratio of sales (in tonnes) of Company A to the sales (in tonnes) of Company B.
| Year | Production (A : B) | Sales (A : B) |
|---|---|---|
| 2006 | 5 : 4 | 2 : 3 |
| 2007 | 8 : 7 | 11 : 12 |
| 2008 | 3 : 4 | 9 : 14 |
| 2009 | 11 : 12 | 4 : 5 |
| 2010 | 14 : 13 | 10 : 9 |
| 2011 | 13 : 14 | 1 : 1 |
What is the ratio of production of Company B (in tonnes) in the year 2006 to production of Company B (in tonnes) in the year 2008 ?
Aptitude Ratio and Proportion Difficulty: Medium
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Directions: Study the table carefully to answer the questions that follow:
Number of Boys and Girls (in Hundreds) in Six Different Years in 5 Different Schools
| Years | A (Boys) | A (Girls) | B (Boys) | B (Girls) | C (Boys) | C (Girls) | D (Boys) | D (Girls) | E (Boys) | E (Girls) |
|---|---|---|---|---|---|---|---|---|---|---|
| 2005 | 3.3 | 3.6 | 5.2 | 3.1 | 5.5 | 4.5 | 2.4 | 1.4 | 6.5 | 6.6 |
| 2006 | 6.6 | 4.2 | 4.9 | 2.2 | 6.9 | 3.3 | 4.4 | 2.3 | 5.5 | 3.6 |
| 2007 | 9.3 | 6.9 | 4.7 | 4.2 | 5.8 | 4.9 | 6.4 | 3.3 | 2.7 | 2.4 |
| 2008 | 5.4 | 9.6 | 6.3 | 5.4 | 6.6 | 5.2 | 5.3 | 5.4 | 5.4 | 5.7 |
| 2009 | 8.4 | 12.9 | 7.5 | 5.9 | 8.7 | 6.6 | 12.1 | 5.2 | 6.8 | 6.5 |
| 2010 | 12.3 | 14.4 | 9.8 | 4.4 | 11.7 | 4.2 | 12.2 | 9.4 | 10.8 | 12.7 |
What is the approximate percentage decrease in the number of boys in School D in the year 2008 as compared to that in the previous year ?
Aptitude Percentage Difficulty: Medium
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If the ratio of volumes of two cones is $2 : 3$ and the ratio of the radii of their bases is $1 : 2$, then the ratio of their heights will be
Aptitude Volume and Surface Area Difficulty: Easy
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If the radius of a cylinder is decreased by 50% and the height is increased by 50% to form a new cylinder, the volume will be decreased by
Aptitude Volume and Surface Area Difficulty: Medium
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The diameter of the base of a cylindrical drum is 35 dm and the height is 24 dm. It is full of kerosene. How many tins each of size 25 cm $\times$ 22 cm $\times$ 35 cm can be filled with kerosene from the drum?
Aptitude Volume and Surface Area Difficulty: Hard
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Directions : Each of the questions below consists of a question followed by three statements. You have to study the question and the statements and decide which of the statement(s) is/are necessary to answer the question.
What is the area of the hall ?
I. Material cost of flooring per square metre is ₹ $2.50$.
II. Labour cost of flooring the hall is ₹ $3500$.
III. Total cost of flooring the hall is ₹ $14,500$.
Verbal Reasoning Data Sufficiency Difficulty: Easy
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The difference between the areas of the circumcircle and the incircle of a regular polygon of $n$ sides with each side of length $2a$, is
Aptitude Area Difficulty: Hard
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A lent ₹ 5000 to B for 2 years and ₹ 3000 to C for 4 years on simple interest at the same rate of interest and received ₹ 2200 in all from both of them as interest. The rate of interest per annum is
Aptitude Simple Interest Difficulty: Medium
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At the rate of $8\frac{1}{2}\%$ p.a. simple interest, a sum of ₹ 4800 will earn how much interest in 2 years 3 months?
Aptitude Simple Interest Difficulty: Medium
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A train 240 m long passed a pole in 24 seconds. How long will it take to pass a platform 650 m long?
Aptitude Problems on Trains Difficulty: Medium
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A train $M$ leaves station $X$ at 5 a.m and reaches station $Y$ at 9 a.m. Another train $N$ leaves station $Y$ at 7 a.m. and reaches station $X$ at 10.30 a.m. At what time do the two trains cross each other?
Aptitude Time and Distance Difficulty: Hard
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A train is scheduled to cover the distance between two stations 46 km apart in one hour. If it travels 25 km at a speed of 40 km/hr, find the speed for the remaining journey to complete it in the scheduled time.
Aptitude Time and Distance Difficulty: Medium
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Two workers A and B working together completed a job in 5 days. If A worked twice as efficiently as he actually did and B worked $\frac{1}{3}$ as efficiently as he actually did, the work would have been completed in 3 days. A alone could complete the work in :
Aptitude Time and Work Difficulty: Hard
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Two pipes A and B can separately fill a cistern in 60 minutes and 75 minutes respectively. There is a third pipe in the bottom of the cistern to empty it. If all the three pipes are simultaneously opened then the cistern is full in 50 minutes. In how much time, the third pipe alone can empty the cistern?
Aptitude Pipes and Cistern Difficulty: Medium
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A team of workers was employed by a contractor who undertook to finish 360 pieces of an article in a certain number of days. Making four more pieces per day than was planned, they could complete the job a day ahead of schedule. How many days did they take to complete the job?
Aptitude Time and Work Difficulty: Hard
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A man distributes ₹ 165000 among his daughter, wife and son in such a manner that $\frac{1}{2}$ of the daughter's share, $\frac{1}{4}$ of the wife's share and $\frac{1}{5}$ of the son's share are equal. Find the daughter's share.
Aptitude Ratio and Proportion Difficulty: Medium
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Prices register an increase of $10\%$ on foodgrains and $15\%$ on other items of expenditure. If the ratio of an employee's expenditure on foodgrains and other items be $2 : 5$, by how much should his salary be increased in order that he may maintain the same level of consumption as before, his present salary being ₹ $2590$?
Aptitude Percentage Difficulty: Medium
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The average expenditure of a man for the first five months is ₹ 1200 and for the next seven months is ₹ 1300.
If he saves ₹ 2900 in that year, his monthly average income is
Aptitude Average Difficulty: Medium
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In the equation $\frac{4050}{\sqrt{x}} = 450$, the value of $x$ is
Aptitude Square Root and Cube Root Difficulty: Easy
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Direction: What approximate value will come in place of the question mark ($x$) in the following question? (You are not expected to calculate the exact value).
$1559.95 - 7.99 \times 24.96 - x^2 = 1154$
Aptitude Simplification Difficulty: Medium
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Equal amounts of water were poured into two empty jars of different capacities, which made one jar $\frac{1}{4}$ full and the other jar $\frac{1}{3}$ full. If the water in the jar with lesser capacity is, then poured into the jar with the greater capacity, what fraction of the larger jar will be filled with water?
Aptitude Simplification Difficulty: Medium
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$$ \frac{3+4 \div 2 \times 3}{4+3 \times 2 \div 3} = x $$
Aptitude Simplification Difficulty: Medium
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Simplify: $1 - [1 - \{1 - (1 - \overline{1 - 1})\}]$
Aptitude Simplification Difficulty: Medium
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If $n$ is even, $(6^n - 1)$ is divisible by
Aptitude Number System Difficulty: Easy
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