Practice Question and Answer

Q:

The ozone layer absorbs

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  • 1
    infrared radiation
    Correct
    Wrong
  • 2
    microwaves
    Correct
    Wrong
  • 3
    radio wave
    Correct
    Wrong
  • 4
    ultraviolet rays
    Correct
    Wrong
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Answer : 4. "ultraviolet rays"

Q:

The main component of the CPU is?

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  • 1
    Control Unit
    Correct
    Wrong
  • 2
    memory
    Correct
    Wrong
  • 3
    Economic logic unit
    Correct
    Wrong
  • 4
    All these
    Correct
    Wrong
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Answer : 4. "All these"

Q:

Mohit borrowed Rs. 22000 at 5% simple interest repayable in 5 equal installments. What will be the annual installment payable by him?

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  • 1
    Rs 4800
    Correct
    Wrong
  • 2
    Rs 5500
    Correct
    Wrong
  • 3
    Rs 4600
    Correct
    Wrong
  • 4
    Rs 500
    Correct
    Wrong
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Answer : 3. "Rs 4600"

Q: Name a cold desert region of India  ? 2124 1

  • 1
    Baramula
    Correct
    Wrong
  • 2
    Ladakh
    Correct
    Wrong
  • 3
    Dun Valley
    Correct
    Wrong
  • 4
    Shillong Plateau
    Correct
    Wrong
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Answer : 2. "Ladakh"
Explanation :

Answer: B) Ladakh Explanation:

Q:

For what value of m will the system of equations 17x+my+102=0 and 23x+299y+138=0 have infinite number of solutions? 

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  • 1
    221
    Correct
    Wrong
  • 2
    223
    Correct
    Wrong
  • 3
    220
    Correct
    Wrong
  • 4
    219
    Correct
    Wrong
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Answer : 1. " 221 "

Q:

देश की नाव मंझधार में है।
पंक्तियों में शब्द शक्ति है-

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  • 1
    लक्षणा
    Correct
    Wrong
  • 2
    शाब्दी व्यंजना
    Correct
    Wrong
  • 3
    व्यंजना
    Correct
    Wrong
  • 4
    आर्थी व्यंजना
    Correct
    Wrong
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Answer : 1. "लक्षणा"

Q: A can do a piece of work in 30 days. He works at it for 6 days and then B finishes it in 18 days. In what time can A and B together it ? 2124 0

  • 1
    14 1/2 days
    Correct
    Wrong
  • 2
    11 days
    Correct
    Wrong
  • 3
    13 1/4 days
    Correct
    Wrong
  • 4
    12 6/7 days
    Correct
    Wrong
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Answer : 4. "12 6/7 days"
Explanation :

Answer: D) 12 6/7 days Explanation: Let 'B' alone can do the work in 'x' days 6/30 + 18/x = 1 => x = 22.5   1/30 + 1/22.5 = 7/90  => 90/7 = 12 6/7 days

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