Practice Question and Answer

Q: If (1 × 2 × 3 × 4 ........ × n) = n!, then 15! - 14! - 13! is equal to ___? 2897 0

  • 1
    14 × 13 × 13!
    Correct
    Wrong
  • 2
    15 × 14 × 14!
    Correct
    Wrong
  • 3
    14 × 12 × 12!
    Correct
    Wrong
  • 4
    15 × 13 × 13!
    Correct
    Wrong
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Answer : 4. "15 × 13 × 13!"
Explanation :

Answer: D) 15 × 13 × 13! Explanation: 15! - 14! - 13! = (15 × 14 × 13!) - (14 × 13!) - (13!) = 13! (15 × 14 - 14 - 1) = 13! (15 × 14 - 15) = 13! x 15 (14 - 1) = 15 × 13 × 13!

Q: Where is RAM located? 2897 0

  • 1
    Mother Board
    Correct
    Wrong
  • 2
    Expansion Board
    Correct
    Wrong
  • 3
    External Drive
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 1. "Mother Board"
Explanation :

Answer: A) Mother Board Explanation: RAM is located in The central processing unit (CPU), also called a processor, is located inside the computer case on the motherboard. It is sometimes called the brain of the computer, and its job is to carry out commands.

Q: Play is to actor as concert is to 2896 0

  • 1
    Musician
    Correct
    Wrong
  • 2
    percussion
    Correct
    Wrong
  • 3
    symphony
    Correct
    Wrong
  • 4
    piano
    Correct
    Wrong
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Answer : 1. "Musician"
Explanation :

Answer: A) Musician Explanation: An actor performs in a play. A musician performs at a concert. Choices b, c, and d are incorrect because none is people who perform.   Hence, Play is to actor as concert is to Musician.

Q: Look at the series : 3, 7, 24, 11, __, 19, 19,... What number should fill the blank ? 2896 0

  • 1
    15
    Correct
    Wrong
  • 2
    13
    Correct
    Wrong
  • 3
    21
    Correct
    Wrong
  • 4
    16
    Correct
    Wrong
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Answer : 1. "15"
Explanation :

Answer: A) 15 Explanation: Two series alternate here, with every third number following a different pattern.In the main series, 4 is added to each number to arrive the next.In alternate series, 5 is subtracted from each number t arrive the next number.Here in the main series 3 + 4 = 77 + 4 = 1111 + 4 = 1515 + 4 = 19 In alternate series 24 - 5 = 1919 - 5 = 14...

Q:

Name the leaders who will be seen guest-starring in a Man vs Wild episode with host Bear Grylls?

2896 0

  • 1
    Donald Trump
    Correct
    Wrong
  • 2
    Narendra Modi
    Correct
    Wrong
  • 3
    Vladimir
    Correct
    Wrong
  • 4
    Justin Trudeau
    Correct
    Wrong
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Answer : 2. "Narendra Modi"

Q:

Which event was Last?

2895 0

  • 1
    American revolution
    Correct
    Wrong
  • 2
    French Revolution
    Correct
    Wrong
  • 3
    Russian Revolution
    Correct
    Wrong
  • 4
    Salt March
    Correct
    Wrong
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Answer : 4. "Salt March "

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