UPSC Prelims Solved Papers — Practice & Master

2501

At a given time, two players are standing on a play-field. The cartesian coordinates of their locations are (20, 60) and (–40, –20). What is the distance between the players?

UPSC Prelims 1999 CSAT (Aptitude & Reasoning)

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2502

In a factory, a quality assurance test is conducted on various samples for a specific characteristic value of the product. The values and the number of samples are as given in the following table:

Characteristic value X	No. of Samples
13	4
14	6
15	16
16	8
17	6

Consider the following statements based on the table:
I. The probability that X = 15 is 0.64.
II. The probability that 13 < X ≤ 17 is greater than 0.64.
III. The probability that X = 15 is less than 0.22.

Which of the above statements is/are not true?

UPSC Prelims 1999 CSAT (Aptitude & Reasoning)

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2503

In an office, the distribution of work hours is as shown in the following table:

No. of Staff Members	No. of hours worked
5	0–19
12	20–24
25	25–29
40	30–34
15	35–39
8	40–45

Consider the following inferences drawn from the table:
I. The average number of hours worked by a staff member is about 30.
II. The percentage of those who worked 35 or more hours is less than 25.
III. At least 5 staff members worked more than 44 hours.

Which of these inferences is/are valid?

UPSC Prelims 1999 CSAT (Aptitude & Reasoning)

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2504

A hunter aims his gun at a point between the eyebrows of a monkey sitting on a branch of a tree. Just as he fires, the monkey jumps down (falls freely). The bullet will

UPSC Prelims 1999 General Science

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2505

A hemispherical bowl is filled to the brim with a beverage. The contents of the bowl are transferred into a cylindrical vessel whose radius is 50% more than its height. If the diameter is the same for both bowl and cylinder, then the volume of the beverage in the cylindrical vessel will be

UPSC Prelims 1999 CSAT (Aptitude & Reasoning)

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2506

If X + 2Y = 2X + Y, then X² / Y² is equal to

UPSC Prelims 1999 CSAT (Aptitude & Reasoning)

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2507

The surface area of a spherical dome-shaped roof of a cylindrical water tank shown in the figure is

UPSC Prelims 1999 CSAT (Aptitude & Reasoning)

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2508

If the angles of a triangle are in the ratio of 4 : 3 : 2, then the triangle

UPSC Prelims 1999 CSAT (Aptitude & Reasoning)

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2509

A man is standing on the 8 m long shadow of a 6 m long pole. If the length of his shadow is 2.4 m, what is the height of the man?

UPSC Prelims 1999 CSAT (Aptitude & Reasoning)

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2510

In a group of five people—K, L and M are ambitious; M, N and R are honest; L, M and N are intelligent and K, N and R are industrious.

Among these, neither industrious nor ambitious person(s) would include

UPSC Prelims 1999 CSAT (Aptitude & Reasoning)

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2511

A company manufacturing air-conditioners has set a monthly target. The target and realised values are shown in the bar chart.
Consider the following statements based on the chart:
I. The targeted sales on a monthly basis have been achieved.
II. The overall target value has been exceeded by 7.5%.
III. The Sales Department deserves a pat on the back.

Which of the above statements is/are correct?

UPSC Prelims 1999 CSAT (Aptitude & Reasoning)

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2512

In a code language, 'SOLID' is written as "WPSLPIMFHA". What does the code word 'ATEXXQIBVO' refer to?

UPSC Prelims 1999 CSAT (Aptitude & Reasoning)

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2513

The yield versus fertilizer input is shown in the graph.
Consider the following statements based on this graph:
I. Yield rate is zero at B and C.
II. There is no yield with no fertilizer input.
III. The yield is minimum at D.
IV. The yield is neither minimum nor maximum at C.

Which of the above statements are correct?

UPSC Prelims 1999 CSAT (Aptitude & Reasoning)

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2514

In a town 25% families own a phone and 15% own a car. 65% families own neither a phone nor a car. 2000 families own both a car and a phone.

Consider the following statements in this regard:
I. 10% families own both a car and a phone.
II. 35% families own either a car or a phone (or both).
III. 40,000 families live in the town.

Which of the above statements are correct?

UPSC Prelims 1999 CSAT (Aptitude & Reasoning)

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2515

The average speed of a train in the onward journey is 25% more than that of the return journey. The train halts for one hour on reaching the destination. The total time taken for the complete to and fro journey is 17 hours covering a distance of 800 km. The speed of the train in the onward journey is

UPSC Prelims 1999 CSAT (Aptitude & Reasoning)

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2516

In a business concern, there are four functions, namely, Production (PR), Finance (FN), Personnel (PS) and Marketing (MK). The Customer (C) may also play a role in the prosperity of the concern. Match List I with List II (Organizational/Management Frameworks) and select the correct answer using the codes given below the lists:

List I (Concept / Philosophy)	List II (Model Code)
I. Customer is the controlling factor	A. Structural Model A
II. Marketing is an integrating factor while customer is the controlling factor	B. Structural Model B
III. Marketing is the controlling factor	C. Structural Model C
IV. Marketing is more important than others	D. Structural Model D
V. Marketing is as equal a function as the others	E. Structural Model E

Select the correct answer using the codes given below:

UPSC Prelims 1999 Indian Economy

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2517

On another planet, the local terminology for earth, water, light, air and sky, are 'sky', 'light', 'air', 'water' and 'earth' respectively. If someone is thirsty there, what would he drink?

UPSC Prelims 1999 CSAT (Aptitude & Reasoning)

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2518

In the sequence of numbers 5, 8, 13, X, 34, 55, 89, the value of 'X' is

UPSC Prelims 1999 CSAT (Aptitude & Reasoning)

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2519

Assertion (A): Dolly was the first cloned mammal.
Reason (R): Dolly was produced by in vitro fertilization.

Select the correct answer using the codes given below:

UPSC Prelims 1999 General Science

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2520

Assertion (A): Insect-resistant transgenic cotton has been produced by inserting Bt gene.
Reason (R): The Bt gene is derived from a bacterium.

Select the correct answer using the codes given below:

UPSC Prelims 1999 General Science

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2521

Assertion (A): To dilute sulphuric acid, acid is added to water and not water to acid.
Reason (R): Specific heat of water is quite large.

Select the correct answer using the codes given below:

UPSC Prelims 1999 General Science

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2522

Consider the following statements:
Glass can be etched or scratched by
I. diamond
II. hydrofluoric acid
III. aqua regia
IV. concentrated sulphuric acid

Which of these statements are correct?

UPSC Prelims 1999 General Science

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2523

Low temperatures (Cryogenics) find application in

UPSC Prelims 1999 General Science

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2524

Cobalt-60 is commonly used in radiation therapy because it emits

UPSC Prelims 1999 General Science

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2525

Which one of the following types of coal contains a higher percentage of carbon than the rest?

UPSC Prelims 1999 Physical Geography

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