UPSC Prelims 2013
Get UPSC Prelims Previous Year Question (PYQ) Papers with detailed explanations, mindmaps, organized year-wise and subject-wise for CSAT.
- Maths
Direction for the following 5 (five) items: Study the two figures given below and answer the five items that follow:
Figure 1: Number of Professors in selected description in a University by sex.
52I
Figure 2: Age of Physics Professors.
52II
View Answer for: What percentage of all Psychology professors are females?What percentage of all Psychology professors are females?
- Maths
Direction for the following 5 (five) items: Study the two figures given below and answer the five items that follow:
Figure 1: Number of Professors in selected description in a University by sex.52I
Figure 2: Age of Physics Professors.52II
View Answer for: Which one of the following disciplines has the highest ratio of males to females?Which one of the following disciplines has the highest ratio of males to females?
- MathsView Answer for: Four cars are hired at the rate of Rs. 6 per km plus the cost of diesel at Rs. 40 per litre. In this context, consider the details given in the following table: Car | Distance (km) | Fuel Consumption (litres) | Time Taken (hours) -----|--------------|--------------------------|-------------------- A | 240 | 8 | 4 B | 180 | 6 | 3 C | 200 | 10 | 5 D | 160 | 8 | 4 Which car maintained the maximum average speed?
Four cars are hired at the rate of Rs. 6 per km plus the cost of diesel at Rs. 40 per litre. In this context, consider the details given in the following table:
Car Distance (km) Fuel Consumption (litres) Time Taken (hours) A 240 8 4 B 180 6 3 C 200 10 5 D 160 8 4 Which car maintained the maximum average speed?
- MathsView Answer for: A person can walk a certain distance and drive back in six hours. He can also walk both ways in 10 hours. How much time will he take to drive both ways?
A person can walk a certain distance and drive back in six hours. He can also walk both ways in 10 hours. How much time will he take to drive both ways?
- Maths
Direction for the following 5 (five) items: Study the two figures given below and answer the five items that follow:
Figure 1: Number of Professors in selected description in a University by sex.52I
Figure 2: Age of Physics Professors.52II
View Answer for: If the number of female Physics professors in the age group 25 – 34 equals $25\%$ of all the Physics professors in that age group, then what is the number of male Physics professors in the age group 25 – 34?If the number of female Physics professors in the age group 25 – 34 equals of all the Physics professors in that age group, then what is the number of male Physics professors in the age group 25 – 34?
- MathsView Answer for: In a rare coin collection, there is one gold coin for every three non-gold coins. 10 more gold coins are added to the collection, and the ratio of gold coins to non-gold coins becomes 1:2.Based on this information, the total number of coins in the collection now becomes:
In a rare coin collection, there is one gold coin for every three non-gold coins. 10 more gold coins are added to the collection, and the ratio of gold coins to non-gold coins becomes 1:2.
Based on this information, the total number of coins in the collection now becomes:
- MathsView Answer for: A sum of Rs. 700 has to be used to give seven cash prizes to students in a school for their overall academic performance. Each prize is Rs. 20 less than its preceding prize.What is the least value of the prize?
A sum of Rs. 700 has to be used to give seven cash prizes to students in a school for their overall academic performance. Each prize is Rs. 20 less than its preceding prize.
What is the least value of the prize?
- MathsView Answer for: A train travels at a certain average speed for a distance of 63 km and then travels a distance of 72 km at an average speed of 6 km/hr more than its original speed. If it takes 3 hours to complete the total journey, what is the original speed of the train in km/hr?
A train travels at a certain average speed for a distance of 63 km and then travels a distance of 72 km at an average speed of 6 km/hr more than its original speed. If it takes 3 hours to complete the total journey, what is the original speed of the train in km/hr?
- MathsView Answer for: In a garrison, there was food for 1000 soldiers for one month. After 10 days, 1000 more soldiers joined the garrison.How long would the soldiers be able to carry on with the remaining food?
In a garrison, there was food for 1000 soldiers for one month. After 10 days, 1000 more soldiers joined the garrison.
How long would the soldiers be able to carry on with the remaining food?
- MathsView Answer for: A thief running at 8 km/hr is chased by a policeman whose speed is 10 km/hr. If the thief is 100 meters ahead of the policeman, then the time required for the policeman to catch the thief will be:
A thief running at 8 km/hr is chased by a policeman whose speed is 10 km/hr. If the thief is 100 meters ahead of the policeman, then the time required for the policeman to catch the thief will be:
- Maths
Direction for the following 5 (five) items: Study the two figures given below and answer the five items that follow:
Figure 1: Number of Professors in selected description in a University by sex.52I
Figure 2: Age of Physics Professors.52II
View Answer for: How many Physics professors belong to the age group 35 – 44?How many Physics professors belong to the age group 35 – 44?
- MathsView Answer for: A gardener has 1000 plants. He wants to plant them in such a way that the number of rows and the number of columns remains the same.What is the minimum number of extra plants he needs for this purpose?
A gardener has 1000 plants. He wants to plant them in such a way that the number of rows and the number of columns remains the same.
What is the minimum number of extra plants he needs for this purpose?
- Maths
Direction for the following 5 (five) items: Study the two figures given below and answer the five items that follow:
Figure 1: Number of Professors in selected description in a University by sex.52I
Figure 2: Age of Physics Professors.52II
View Answer for: If the Psychology professors in the University constitute $2\%$ of all the professors in the University, then what is the number of professors in the University?If the Psychology professors in the University constitute of all the professors in the University, then what is the number of professors in the University?
- MathsView Answer for: Consider the following diagrams:47$x$ men, working at a constant speed, do a certain job in $y$ days.Which one of these diagrams shows the relation between $x$ and $y$?
Consider the following diagrams:
47
men, working at a constant speed, do a certain job in days.
Which one of these diagrams shows the relation between and ?
- MathsView Answer for: Out of 120 applications for a post, 70 are male, and 80 have a driver’s license.What is the ratio between the minimum to maximum number of males having a driver’s license?
Out of 120 applications for a post, 70 are male, and 80 have a driver’s license.
What is the ratio between the minimum to maximum number of males having a driver’s license?
- Maths
A tennis coach is trying to put together a team of four players for the forthcoming tournament. For this, 7 players are available: males A, B, and C; and females W, X, Y, and Z. All players have equal capability and at least 2 males will be in the team. For a team of four, all players must be able to play with each other. However: B cannot play with W, C cannot play with Z, and W cannot play with Y.
View Answer for: If all three males are selected, then how many combinations of four-member teams are possible?If all three males are selected, then how many combinations of four-member teams are possible?
- MathsView Answer for: The tank-full petrol in Arun’s motorcycle lasts for 10 days. If he starts using $25\%$ more every day, how many days will the tank-full petrol last?
The tank-full petrol in Arun’s motorcycle lasts for 10 days. If he starts using more every day, how many days will the tank-full petrol last?
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