Practice Question and Answer

Q: Seats for Mathematics, Physics and Biology in a school are in the ratio 5 : 7 : 8. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the ratio of increased seats ? 2815 0

  • 1
    1 : 2 : 3
    Correct
    Wrong
  • 2
    2 : 3 : 4
    Correct
    Wrong
  • 3
    3: 4 : 5
    Correct
    Wrong
  • 4
    4 : 5 : 6
    Correct
    Wrong
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Answer : 2. "2 : 3 : 4"
Explanation :

Answer: B) 2 : 3 : 4 Explanation: Seats for Mathematics, Physics and Biology in a school are in the ratio 5 : 7 : 8. Seats for Mathematics, Physics and Biology in a school are 5x, 7x and 8x. There is a proposal to increase these seats by 40%, 50% and 75% respectively. Then Seats for Mathematics, Physics and Biology in a school will be 1.4 X 5x, 1.5 X 7x and 1.75 X 8x and ratio will be 7 : 10.5 : 14  => 2:3:4.

Q: An atom bomb based upon the principal of ________ 2814 0

  • 1
    Nuclear fission
    Correct
    Wrong
  • 2
    Nuclear fussion
    Correct
    Wrong
  • 3
    Controlled chain reaction
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 1. "Nuclear fission"
Explanation :

Answer: A) Nuclear fission Explanation:

Q:

Mohan, Ritika, Janvi, Priya and Riya are friends. Janvi runs faster than Ritika but slower than Priya. Mohan is the slowest runner and Riya runs faster than Priya. Who runs the fastest among the five?

2814 0

  • 1
    Priya
    Correct
    Wrong
  • 2
    Riya
    Correct
    Wrong
  • 3
    Ritika
    Correct
    Wrong
  • 4
    Mohan
    Correct
    Wrong
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Answer : 2. "Riya "

Q: What among following is used to produce artificial rain ? 2814 0

  • 1
    copper oxide
    Correct
    Wrong
  • 2
    carbon monoxide
    Correct
    Wrong
  • 3
    silver iodide
    Correct
    Wrong
  • 4
    silver nitrate
    Correct
    Wrong
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Answer : 3. "silver iodide"

Q:

Chera Dynasty ruled which states of India?

2814 0

  • 1
    Karnataka & Goa
    Correct
    Wrong
  • 2
    Kerala & Tamilanadu
    Correct
    Wrong
  • 3
    Keral & Karnataka
    Correct
    Wrong
  • 4
    Tamil & Andhra
    Correct
    Wrong
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Answer : 2. "Kerala & Tamilanadu"

Q: The Dul Hasti Power Station is based on which one of the following rivers? 2813 0

  • 1
    Beas
    Correct
    Wrong
  • 2
    Chenab
    Correct
    Wrong
  • 3
    Ravi
    Correct
    Wrong
  • 4
    Sutlej
    Correct
    Wrong
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Answer : 2. "Chenab"
Explanation :

Answer: B) Chenab Explanation:

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