Practice Question and Answer

Q: A group of men can complete a job in K hours. After every 4 hours, half the number of men working at that point of time leave the job. Continuing this way if the job is finished in 16 hours, what is the value of K ? 3909 0

  • 1
    7 hrs
    Correct
    Wrong
  • 2
    7.5 hrs
    Correct
    Wrong
  • 3
    8 hrs
    Correct
    Wrong
  • 4
    8.25 hrs
    Correct
    Wrong
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Answer : 2. "7.5 hrs"
Explanation :

Answer: B) 7.5 hrs Explanation: Let there are L men job requires LK man hours.   job completed in first 4 hrs = L x 4 = 4L job completed in next 4 hrs = 4 x L/2 = 2L job completed in next 4 hrs = 4 x L/4 = L job completed in last 4 hrs = 4 x L/8 = L/2 4L + 2L + L + L/2 = KL K = 7+1/2 = 7.5 hours.

Q:

DIRECTIONS: Study the following information and answer the given questions:
A person goes 9 m straight. He turns 120o clockwise and goes 41 m. Then, he turns 210O anticlockwise and goes 44 m. Finally, he turns 150O clockwise and goes 5 m.
How far is he from his starting point?

3906 0

  • 1
    5 m
    Correct
    Wrong
  • 2
    3 m
    Correct
    Wrong
  • 3
    8 m
    Correct
    Wrong
  • 4
    12 m
    Correct
    Wrong
  • 5
    15 m
    Correct
    Wrong
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Answer : 2. "3 m"

Q:

Which of the following country have common frontier with the Indian State like Uttarakhand, Uttar Pradesh, Bihar, West Bengal and Sikkim?

3906 0

  • 1
    China
    Correct
    Wrong
  • 2
    Nepal
    Correct
    Wrong
  • 3
    Bhutan
    Correct
    Wrong
  • 4
    Myanmar
    Correct
    Wrong
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Answer : 2. "Nepal"

Q: If there are 150 questions in a 3 hr examination. Among these questions 50 are type A problems, which requires twice as much as time be spent on the rest of the type B problems. How many minutes should be spent on type A problems ? 3903 0

  • 1
    75 min
    Correct
    Wrong
  • 2
    82 min
    Correct
    Wrong
  • 3
    90 min
    Correct
    Wrong
  • 4
    101 min
    Correct
    Wrong
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Answer : 3. "90 min"
Explanation :

Answer: C) 90 min Explanation: Let X = Time taken for each of Type B Problems(100 Problems)And 2X = Time taken for each of Type A problems(50 problems) Total time period = 3hrs = 3 x 60min = 180 minutes 100X + 50(2X) = 180100X + 100X = 180200X = 180 min X = 180/200X = 0.90 min By convertiing into seconds, X = 0.90 x 60 secondsX = 54 sec So, time taken for Part A problems is = 54 x 2 x 50 = 5400 seconds= 5400/60sec = 90 minutes.

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Answer : 1. "6555"
Explanation :

Answer: A) 6555 Explanation: Candidates passed in atleast four subjects = (Candidates passed in 4 subjects) + (Candidates Passed in all 5 subjects) = (Candidates failed in only 1 subject ) + ( Candidates passed in all subjects) = (78 + 275 + 149 + 147 + 221) + 5685 = 870 + 5685 = 6555

Q: Find out which part of a sentence has an error and mark the answer corresponding to the appropriate letter (A, B, C). If a sentence is free from errors, mark (D) as the answer. He flew( 3903 0

  • 1
    / over extensively(
    Correct
    Wrong
  • 2
    C). If a sentence is free from errors, mark (D) as the answer. He flew(A) / over extensively(B)
    Correct
    Wrong
  • 3
    . If a sentence is free from errors, mark (
    Correct
    Wrong
  • 4
    as the answer. He flew(A) / over extensively(B) / the pacific last winter(C) / No error(D)
    Correct
    Wrong
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Answer : 2. "C). If a sentence is free from errors, mark (D) as the answer. He flew(A) / over extensively(B)"
Explanation :

Answer: B) B Explanation: 'Extensively' is describing the verb 'flew' and should be placed after the verb and thus the correct phrase should be 'extensively over'. The error is in the second part of the sentence.

Q:

How is Surrinder (A)/ going with (B)/ his work ? (C)/ No error (D) 

3901 0

  • 1
    A
    Correct
    Wrong
  • 2
    D
    Correct
    Wrong
  • 3
    B
    Correct
    Wrong
  • 4
    C
    Correct
    Wrong
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Answer : 3. "B"

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