Practice Question and Answer

Q: A can write 32 pages in 6 hours and B can write 40 pages in 5 hours. If they write together, in how many hours they can write 110 pages ? 4452 0

  • 1
    7 hrs
    Correct
    Wrong
  • 2
    6 hrs 10 min
    Correct
    Wrong
  • 3
    5 hrs 25min
    Correct
    Wrong
  • 4
    8 hrs 15 min
    Correct
    Wrong
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Answer : 4. "8 hrs 15 min"
Explanation :

Answer: D) 8 hrs 15 min Explanation: A can write in 1hour = 32/6 pages Similarly, B in 1 hour = 40/5 pages Together (A+B) in 1 hour = 32/6 + 40/5 = 40/3 So, A+B write 40/3 pages in 1 hour A+B write 110 pages in (3/40) x 110 Hours = 8 hours 15 min.

Q: Pointing to a man in a photograph, a woman said, "His brother's father is the only son of my grandfather." How is the woman related to the man in the photograph ? 4450 0

  • 1
    Aunt
    Correct
    Wrong
  • 2
    Mother
    Correct
    Wrong
  • 3
    Daughter
    Correct
    Wrong
  • 4
    Sister
    Correct
    Wrong
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Answer : 4. "Sister"

Q:

Statement: Increasing levels of air pollution is creating health hazards for people living in the cities.
Courses of action :
I. All industries should be shifted immediately to the outskirts of the cities.
II. Transport authorities should immediately ban all the vehicles running on petrol.

4449 0

  • 1
    if only I follows.
    Correct
    Wrong
  • 2
    if only II follows.
    Correct
    Wrong
  • 3
    if either I or II follows.
    Correct
    Wrong
  • 4
    if neither I nor II follows.
    Correct
    Wrong
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Answer : 4. "if neither I nor II follows."

Q:

What will come in place of question (?) mark in the following series?
CD     FG     JK     ?        UV

4448 0

  • 1
    NP
    Correct
    Wrong
  • 2
    OP
    Correct
    Wrong
  • 3
    MN
    Correct
    Wrong
  • 4
    OS
    Correct
    Wrong
  • 5
    LP
    Correct
    Wrong
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Answer : 2. "OP"

Q:

This personality is known as the Father of Economics. Can you identify him from the given options?

4448 0

  • 1
    J.M. Keynes
    Correct
    Wrong
  • 2
    Adam Smith
    Correct
    Wrong
  • 3
    Abraham Maslow
    Correct
    Wrong
  • 4
    J.K. Galbraith
    Correct
    Wrong
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Answer : 2. "Adam Smith"

Q: In how many years, Rs. 200 will produce the same interest @ 5 % as Rs. 900 produce in 2 years @ 3 ½ %  ? 4446 0

  • 1
    5.2 yrs
    Correct
    Wrong
  • 2
    7 yrs
    Correct
    Wrong
  • 3
    7.9 yrs
    Correct
    Wrong
  • 4
    6.3 yrs
    Correct
    Wrong
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Answer : 4. "6.3 yrs"
Explanation :

Answer: D) 6.3 yrs Explanation: P = Rs. 900, R = 3 ½ % = 7/2 %, T = 2 years.  Therefore,  S.I. = PTR/100 S.I. = Rs. (900 x 7/2 x 2/100) = Rs. 63 Now, P = Rs. 200, S.I. = Rs. 63, R = 5 % Time = ((100 x 63) / (200 x 5) ) years = 6.3 years.

Q: Plants absorb dissolved nitrates from soil and convert them into 4446 0

  • 1
    free nitrogen
    Correct
    Wrong
  • 2
    urea
    Correct
    Wrong
  • 3
    ammonia
    Correct
    Wrong
  • 4
    proteins
    Correct
    Wrong
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Answer : 1. "free nitrogen"

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