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Science & Technology

923 questions asked in UPSC Prelims.

1999 · Q133Science & TechnologyInfrastructure & Industrymoderate

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 and select the correct answer using the codes given below the Lists: List I – Pie Diagram I. II. III. IV. List II – Statement A) Customer is the controlling factor B) Marketing is an integrating factor while customer is the controlling factor C) Marketing is the controlling factor D) Marketing is more important than others E) Marketing is as equal a function as the others Codes: a) I-D, II-C, III-A, IV-B b) I-E, II-D, III-A, IV-B c) I-D, II-C, III-B, IV-E d) I-E, II-D, III-B, IV-A

  1. (a)I-D, II-C, III-A, IV-B
  2. (b)I-E, II-D, III-A, IV-B
  3. (c)I-D, II-C, III-B, IV-E
  4. (d)I-E, II-D, III-B, IV-A
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Official answer(c) I-D, II-C, III-B, IV-E

1999 · Q135Science & TechnologyQuantitative Aptitudemoderate

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. III. 40,000 families live in the town. Which of the above statements are correct?

  1. (a)I and II
  2. (b)I and III
  3. (c)II and III
  4. (d)I, II and III
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Official answer(c) II and III

1999 · Q136Science & TechnologyQuantitative Aptitudemoderate

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? The original graph is not available for this question.

  1. (a)I, II and IV
  2. (b)III and IV
  3. (c)II and III
  4. (d)I, III and IV
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Official answer(b) III and IV

1999 · Q138Science & TechnologyQuantitative Aptitudemoderate

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?

  1. (a)I alone
  2. (b)II alone
  3. (c)I and II
  4. (d)II and III
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Official answer(d) II and III

1999 · Q146Science & TechnologyQuantitative Aptitudemoderate

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?

  1. (a)I alone
  2. (b)II alone
  3. (c)I and II
  4. (d)I, II and III
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Official answer(c) I and II

1999 · Q147Science & TechnologyQuantitative Aptitudedifficult

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 (table not reproduced here). 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?

  1. (a)I alone
  2. (b)I and II
  3. (c)II and III
  4. (d)I, II and III
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Official answer(c) II and III

1999 · Q150Science & TechnologyQuantitative Aptitudemoderate

Amar, Akbar and Anthony are friends, being looked after by a matron Farah. Amar weighs 50% more than Akbar and Anthony weigh 25% less than Amar. Farah weighs a third of the combined weight of the three boys. All four together weigh 232 kg. The correct arrangement of the persons in the ascending order of their weights is

  1. (a)Anthony, Akbar, Farah, Amar
  2. (b)Anthony, Akbar, Amar, Farah
  3. (c)Akbar, Anthony, Amar, Farah
  4. (d)Akbar, Anthony, Farah, Amar
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Official answer(d) Akbar, Anthony, Farah, Amar