Practice Question and Answer

Q: A sum of Rs. 427 is to be divided among A, B and C in such a way that 3 times A’s share, 4 times B’s share and 7 times C’s share are all equal. The share of C is ? 5826 0

  • 1
    64
    Correct
    Wrong
  • 2
    76
    Correct
    Wrong
  • 3
    84
    Correct
    Wrong
  • 4
    98
    Correct
    Wrong
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Answer : 3. "84"
Explanation :

Answer: C) 84 Explanation: Given total sum = Rs. 427And given that 3 times A’s share, 4 times B’s share and 7 times C’s share are all equal.=> 3A = 4B = 7CBut given=> A + B + C = 427Now express A and B in terms of C i.e=> (7C/3) + (7C/4) + C = 427=> C = 84

Q:

Arrange the given words Alphabetical Order and choose the one that comes first.

5821 0

  • 1
    Science
    Correct
    Wrong
  • 2
    Scrutiny
    Correct
    Wrong
  • 3
    Scripture
    Correct
    Wrong
  • 4
    Scramble
    Correct
    Wrong
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Answer : 1. "Science"

Q:

Direction: In the following question, select the related letters from the given alternatives.
Fire : Ashes :: Explosion : ? 

5821 0

  • 1
    Sound
    Correct
    Wrong
  • 2
    Debris
    Correct
    Wrong
  • 3
    Flame
    Correct
    Wrong
  • 4
    Death
    Correct
    Wrong
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Answer : 2. "Debris "

Q: Three seconds are related to which game? 5819 0

  • 1
    Wrestling
    Correct
    Wrong
  • 2
    BasketBall
    Correct
    Wrong
  • 3
    Billiards
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "BasketBall"

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Answer : 3. "began "

Q:

In a north facing row of NCC Cadets, Trisha is 9th from the left end and Tina is 12th from the right end. There are 5 cadets between Trisha and Tanya who is equidstant to Tina. Find how many cadets are there in the row?

5816 0

  • 1
    34
    Correct
    Wrong
  • 2
    32
    Correct
    Wrong
  • 3
    31
    Correct
    Wrong
  • 4
    33
    Correct
    Wrong
  • 5
    Can't be determined
    Correct
    Wrong
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Answer : 2. "32"

Q: A group of 10 representatives is to be selected out of 12 seniors and 10 juniors. In how many different ways can the group be selected if it should have at least one senior ? 5813 0

  • 1
    ²²C₁₀ + 1
    Correct
    Wrong
  • 2
    ²²C₉ + ¹⁰C₁
    Correct
    Wrong
  • 3
    ²²C₁₀
    Correct
    Wrong
  • 4
    ²²C₁₀ - 1
    Correct
    Wrong
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Answer : 4. "²²C₁₀ - 1"
Explanation :

Answer: D) ²²C₁₀ - 1 Explanation: The total number of ways of forming the group of ten representatives is ²²C₁₀. The total number of ways of forming the group that consists of no seniors is ¹⁰C₁₀ = 1 way The required number of ways = ²²C₁₀ - 1

Q:

After walking 10 m, Shankar turned left and covered a distance of 6 m, then turned right and covered a distance of 20 m. In the end, he was moving towards the south. From which direction did Shankar start his journey? 

5813 0

  • 1
    West
    Correct
    Wrong
  • 2
    North
    Correct
    Wrong
  • 3
    South
    Correct
    Wrong
  • 4
    East
    Correct
    Wrong
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Answer : 2. "North "

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