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Question 291

DMRC CRA 2020• Quantitative Aptitude

The root of x2 – 2x + 1 = 0 are:

  1. AOption (a)

    3 , 3

  2. BOption (b)

    4 , 4

  3. COption (c)

    2 , 2

  4. DOption (d)

    1 , 1

View answer & explanation

Correct answer

Answer: (a)A.

3 , 3

Explanation not yet available.

Question 292

DMRC CRA 2020• Quantitative Aptitude

The supplement of an acute angle is:

  1. AOption (a)

    an obtuse angle

  2. BOption (b)

    an acute angel

  3. COption (c)

    a supplementary angle

  4. DOption (d)

    a right angle

View answer & explanation

Correct answer

Answer: (a)A.

an obtuse angle

Explanation not yet available.

Question 293

DMRC CRA 2020• Quantitative Aptitude

In a school, if the strength of the girls is 3/5 of the strength of the school, then find the percentage of girls in that school.

  1. AOption (a)

    40%

  2. BOption (b)

    60%

  3. COption (c)

    30%

  4. DOption (d)

    50%

View answer & explanation

Correct answer

Answer: (a)A.

40%

Explanation not yet available.

Question 294

DMRC CRA 2020• Quantitative Aptitude

Find the value of tan π

  1. AOption (a)

    π

  2. BOption (b)

    1

  3. COption (c)

    0

  4. DOption (d)

    -1

View answer & explanation

Correct answer

Answer: (a)A.

π

Explanation not yet available.

Question 295

DMRC CRA 2020• Quantitative Aptitude

A person divides the route of his journey into three equal parts and decides to travel the parts at the speeds of 40 km/h, 30 km/h and 15 km/h, respectively. What is his average speed during the whole journey?

  1. AOption (a)

    24 km/h

  2. BOption (b)

    15 km/h

  3. COption (c)

    12 km/h

  4. DOption (d)

    20 km/h

View answer & explanation

Correct answer

Answer: (a)A.

24 km/h

Explanation not yet available.

Question 296

DMRC CRA 2020• Values & Ethics

Which of the following values do we learn when we read in a History book about Mahatma Gandhiji's train journey to pretoria?

  1. AOption (a)

    Secularism and non-violence

  2. BOption (b)

    Non-cooperation

  3. COption (c)

    Fighting for liberty

  4. DOption (d)

    Standing up against injustice

View answer & explanation

Correct answer

Answer: (a)A.

Secularism and non-violence

Explanation not yet available.

Question 297

DMRC CRA 2020• Values & Ethics

According to Jean Piazza, children of which age group consider the rules to be complete and unchangeable? He calls this phase "moral goodwill"

  1. AOption (a)

    1-5

  2. BOption (b)

    14-19

  3. COption (c)

    5-10

  4. DOption (d)

    11-14

View answer & explanation

Correct answer

Answer: (a)A.

1-5

Explanation not yet available.

Question 298

DMRC CRA 2020• Values & Ethics

To impart social values among children, many schools today take their students to visit old age homes. Which of the following values do the schools want to instill in the minds of young children by doing this?

  1. AOption (a)

    Tolerance

  2. BOption (b)

    Compassion

  3. COption (c)

    Secularism

  4. DOption (d)

    Communalism

View answer & explanation

Correct answer

Answer: (a)A.

Tolerance

Explanation not yet available.

Question 299

DMRC CRA 2020• Values & Ethics

Which of the following value systems may NOT be acquired by a child usually living in a nuclear family?

  1. AOption (a)

    Individualism

  2. BOption (b)

    Introversion

  3. COption (c)

    Responsibility

  4. DOption (d)

    Conservatism

View answer & explanation

Correct answer

Answer: (a)A.

Individualism

Explanation not yet available.

Question 300

DMRC CRA 2020• Values & Ethics

Which of the following options does NOT fall under the role of society?

  1. AOption (a)

    Social control

  2. BOption (b)

    Participation

  3. COption (c)

    Time management

  4. DOption (d)

    Tolerance

View answer & explanation

Correct answer

Answer: (a)A.

Social control

Explanation not yet available.