Search Previous Year Questions

Find real questions from previous competitive exam papers with answers and solutions.

Browse complete papers
1050 matching questions · Page 11
Clear

Question 101

Railway GDCE 2019• Part B

11th term of the series √3, √12, √27, √48, ... is

  1. AOption (a)

    5√3 

  2. BOption (b)

    15√3 

  3. COption (c)

    11√3 

  4. DOption (d)

    6√3 

View answer & explanation

Correct answer

Answer: (a)A.

5√3 

Explanation not yet available.

Question 102

Railway GDCE 2019• Part B

The angle of elevation of a ladder leaning against a wall is 60° and the foot of the ladder is 9m away from the wall. The length of the ladder is:

  1. AOption (a)

    20 m

  2. BOption (b)

    10 m

  3. COption (c)

    18 m

  4. DOption (d)

    15 m

View answer & explanation

Correct answer

Answer: (a)A.

20 m

Explanation not yet available.

Question 103

Railway GDCE 2019• Part B

Electric bulbs are usually filled with chemically inactive ______ gases

  1. AOption (a)

    Nitrogen and oxygen

  2. BOption (b)

    Nitrogen and argon

  3. COption (c)

    Nitrogen and carbon monoxide

  4. DOption (d)

    Nitrogen and carbon-dioxide

View answer & explanation

Correct answer

Answer: (a)A.

Nitrogen and oxygen

Explanation not yet available.

Question 104

Railway GDCE 2019• Part B

Find the point on the X-axis which is equidistant from the point (12, 5) and (3, -4)

  1. AOption (a)

    (8, 0)

  2. BOption (b)

    (6, 0)

  3. COption (c)

    (2, 0)

  4. DOption (d)

    (4, 0)

View answer & explanation

Correct answer

Answer: (a)A.

(8, 0)

Explanation not yet available.

Question 105

Railway GDCE 2019• Part B

In a triangle ΔABC, AB = 35 cm, BC = 12 cm, and ∠B = 90° then length of AC will be  

  1. AOption (a)

    20 cm

  2. BOption (b)

    15 cm

  3. COption (c)

    37 cm

  4. DOption (d)

    25 cm

View answer & explanation

Correct answer

Answer: (a)A.

20 cm

Explanation not yet available.

Question 106

Railway GDCE 2019• Part B

In a circle of radius 5 cm, AB and AC are two chords such that AB = AC = 6 cm, the length of the chord BC is

  1. AOption (a)

    10 cm

  2. BOption (b)

    9 cm

  3. COption (c)

    8 cm

  4. DOption (d)

    9.6 cm

View answer & explanation

Correct answer

Answer: (a)A.

10 cm

Explanation not yet available.

Question 107

Railway GDCE 2019• Part B

A force of 10 N acts on an object and the displacement is 7.5 m, in the direction of force. What is the work done in this case?

  1. AOption (a)

    7500 J

  2. BOption (b)

    750 J

  3. COption (c)

    75 J

  4. DOption (d)

    0.75 J

View answer & explanation

Correct answer

Answer: (a)A.

7500 J

Explanation not yet available.

Question 108

Railway GDCE 2019• Part B

Which of the following has no unit

  1. AOption (a)

    Pressure

  2. BOption (b)

    Density

  3. COption (c)

    Distance

  4. DOption (d)

    Relative Density

View answer & explanation

Correct answer

Answer: (a)A.

Pressure

Explanation not yet available.

Question 109

Railway GDCE 2019• Part B

Value of 33 - 4 × 7 × 60 ÷ 5 + 13 = 

  1. AOption (a)

    -540

  2. BOption (b)

    290

  3. COption (c)

    350

  4. DOption (d)

    -290

View answer & explanation

Correct answer

Answer: (a)A.

-540

Explanation not yet available.

Question 110

Railway GDCE 2019• Part B

Force = 

  1. AOption (a)

    mass × density

  2. BOption (b)

    mass × volume

  3. COption (c)

    mass × velocity

  4. DOption (d)

    mass × acceleration

View answer & explanation

Correct answer

Answer: (a)A.

mass × density

Explanation not yet available.