Practice Question and Answer

Q:

Find the number of triangles in the given figure

2373 0

  • 1
    12
    Correct
    Wrong
  • 2
    18
    Correct
    Wrong
  • 3
    22
    Correct
    Wrong
  • 4
    26
    Correct
    Wrong
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Answer : 2. "18"

Q: A letter is takenout at random from 'ASSISTANT'  and another is taken out from 'STATISTICS'. The probability that they are the same letter is : 2373 0

  • 1
    35/96
    Correct
    Wrong
  • 2
    19/90
    Correct
    Wrong
  • 3
    19/96
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "19/90"
Explanation :

Answer: B) 19/90 Explanation: ASSISTANT→AAINSSSTT STATISTICS→ACIISSSTTT Here N and C are not common and same letters can be A, I, S, T. Therefore  Probability of choosing A =  2C19C1×1C110C1 = 1/45   Probability of choosing I = 19C1×2C110C1 = 1/45 Probability of choosing S = 3C19C1×3C110C1 = 1/10 Probability of choosing T = 2C19C1×3C110C1 = 1/15 Hence, Required probability =   145+145+110+115= 1990

Q:

H5N1 adds to influenza? 

2373 2

  • 1
    Goat Flu
    Correct
    Wrong
  • 2
    Bird Flu
    Correct
    Wrong
  • 3
    Horse Flu
    Correct
    Wrong
  • 4
    Cow Flu
    Correct
    Wrong
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Answer : 2. "Bird Flu "

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Answer : 3. "Only conclusion II follows "

Q: In how many different ways can the letters of the word 'OPTICAL' be arranged so that the vowels always come together? 2373 0

  • 1
    830
    Correct
    Wrong
  • 2
    615
    Correct
    Wrong
  • 3
    720
    Correct
    Wrong
  • 4
    915
    Correct
    Wrong
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Answer : 3. "720"

Q:

Select the venn diagram that best illustrates the relationship between the following classes.

Villagers, Poor Persons, Males

2373 0

  • 1

    Correct
    Wrong
  • 2

    Correct
    Wrong
  • 3

    Correct
    Wrong
  • 4

    Correct
    Wrong
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Answer : 3. "

"

Q: Union Minister of Railways Shri Suresh Prabhakar Prabhu released the book titled “Indian Railway- The weaving of a National Tapestry” jointly authored by Sanjay Chadha, Vidya Krishnamurthi and ___? 2373 0

  • 1
    Andy Marino
    Correct
    Wrong
  • 2
    Sreedharan
    Correct
    Wrong
  • 3
    Rakesh Mohan
    Correct
    Wrong
  • 4
    Bibek Debroy
    Correct
    Wrong
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Answer : 4. "Bibek Debroy"
Explanation :

Answer: D) Bibek Debroy Explanation:

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