Practice Question and Answer

Q: How many parallelograms will be formed if 7 parallel horizontal lines intersect 6 parallel vertical lines? 2986 0

  • 1
    215
    Correct
    Wrong
  • 2
    315
    Correct
    Wrong
  • 3
    415
    Correct
    Wrong
  • 4
    115
    Correct
    Wrong
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Answer : 2. "315"
Explanation :

Answer: B) 315 Explanation: Parallelograms are formed when any two pairs of parallel lines (where each pair is not parallel to the other pair) intersect.   Hence, the given problem can be considered as selecting pairs of lines from the given 2 sets of parallel lines.   Therefore, the total number of parallelograms formed = 7C2 x 6C2 = 315

Q: Gases used in normal welding? 2986 0

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    Oxygen and Acetylene
    Correct
    Wrong
  • 2
    Acetylene and Nitrogen
    Correct
    Wrong
  • 3
    Oxygen, Hydrogen and Acetylene
    Correct
    Wrong
  • 4
    Oxygen and Hydrogen
    Correct
    Wrong
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Answer : 1. "Oxygen and Acetylene"
Explanation :

Answer: A) Oxygen and Acetylene Explanation: Normal Gas welding use oxygen-acetylene.   Depending on what materials you are welding, there are some more options that might be used. For example - MIG/TIG use Argon, MAG use an argon-something mix.

Q:

In these questions read each sentence to find out whether there is any error in it. If there is no error, the answer is (D).

Headmaster (A)/ has instructed (B) / the teachers to follow the rules of the school. (C)/ No error. (D) 

2985 0

  • 1
    A
    Correct
    Wrong
  • 2
    B
    Correct
    Wrong
  • 3
    C
    Correct
    Wrong
  • 4
    D
    Correct
    Wrong
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Answer : 1. "A"
Explanation :

The Headmaster

Q: Tohra is the sacred book of 2984 0

  • 1
    Judaism
    Correct
    Wrong
  • 2
    Confucianism
    Correct
    Wrong
  • 3
    Zoroastrianism
    Correct
    Wrong
  • 4
    Taoism
    Correct
    Wrong
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Answer : 1. "Judaism"
Explanation :

Answer: A) Judaism Explanation:

Q: The ages of Anushka, Kajal and Charu latha together are 57 years. Bharti is thrice as old as Anushka and Charu latha is 12 years older than Anushka. Then, the respective age of Anushka, Kajal and Charu latha is ? 2981 0

  • 1
    27, 9, 21
    Correct
    Wrong
  • 2
    9, 21, 27
    Correct
    Wrong
  • 3
    21, 27, 9
    Correct
    Wrong
  • 4
    9, 27, 21
    Correct
    Wrong
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Answer : 4. "9, 27, 21"
Explanation :

Answer: D) 9, 27, 21 Explanation: Let Anushka age = XCharu latha 12 yrs older than Anushka so Charu latha age = x+12Kajal is thrice as old as Anushka so Kajal age = 3xThe ages of Anushka, Kajal and Charu latha together are 57 yearsi.e x + (x+12) + 3x = 57=> 5x = 45:- x = 9Anushka age = 9Kajal age = 3x = 27Charu latha age = x+12 = 21

Q:

Which of the given figures is the correct image of the given figure?

2981 0

  • 1

    Correct
    Wrong
  • 2

    Correct
    Wrong
  • 3

    Correct
    Wrong
  • 4

    Correct
    Wrong
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Answer : 3. "

"

Q:

In the following questions, select the term from the given options, which cannot be formed with the letter of the given word.
POWERMACHINE

2981 0

  • 1
    MORAL
    Correct
    Wrong
  • 2
    WINE
    Correct
    Wrong
  • 3
    CHINA
    Correct
    Wrong
  • 4
    ROPE
    Correct
    Wrong
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Answer : 1. "MORAL "

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