RRB (NTPC) Practice Question and Answer

Q: A sum was put at simple interest at a certain rate for 2 years. Had it been put at a 3% higher rate; it would have fetched Rs. 72 more. The sum is: 2414 1

  • 1
    Rs.1200
    Correct
    Wrong
  • 2
    Rs.1500
    Correct
    Wrong
  • 3
    Rs. 1600
    Correct
    Wrong
  • 4
    Rs. 1800
    Correct
    Wrong
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Answer : 1. "Rs.1200"

Q: In each of the following question a letter-number series is given with one or more terms missing as shown by(?). Choose the missing term out of the given alternatives. C4X, F9U, I16R ,? 2393 0

  • 1
    K25P
    Correct
    Wrong
  • 2
    L25P
    Correct
    Wrong
  • 3
    L25O
    Correct
    Wrong
  • 4
    L27P
    Correct
    Wrong
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Answer : 3. "L25O"

Q: The Absolute zero on Celsius scale is 2387 1

  • 1
    -200ºC
    Correct
    Wrong
  • 2
    -273.15ºC
    Correct
    Wrong
  • 3
    -373.15ºC
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "-273.15ºC"

Q: A man on tour travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. The Average speed for the the first 320 km of the tour is: 2349 0

  • 1
    35.55 km/hr
    Correct
    Wrong
  • 2
    36 km/hr
    Correct
    Wrong
  • 3
    71.11 km/hr
    Correct
    Wrong
  • 4
    71 km/hr
    Correct
    Wrong
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Answer : 3. "71.11 km/hr"

Q: If \(x-{1\over x}\)=5, then the value of \(x ^4\)+ \({1\over x^4}\) . 2339 0

  • 1
    727
    Correct
    Wrong
  • 2
    772
    Correct
    Wrong
  • 3
    722
    Correct
    Wrong
  • 4
    277
    Correct
    Wrong
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Answer : 1. "727"

Q: If x+y+z=6 and \(x^2\)+ \(y^2\) +\(z^2\)=20, then the value of \(x^3\)+\(y^3\)+\(z^3\)-3xyz is 2299 0

  • 1
    64
    Correct
    Wrong
  • 2
    70
    Correct
    Wrong
  • 3
    72
    Correct
    Wrong
  • 4
    76
    Correct
    Wrong
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Answer : 3. "72"

Q: The L.C.M of two numbers is 48. The numbers are in the ratio 2:3. The sum of the numbers is: 2278 0

  • 1
    28
    Correct
    Wrong
  • 2
    32
    Correct
    Wrong
  • 3
    40
    Correct
    Wrong
  • 4
    64
    Correct
    Wrong
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Answer : 3. "40"

Q: A rectangular carpet has an area of 60 square meter. If its diagonal and longer side together equal 5 times the shorter side, the length of its carpet is: 2248 0

  • 1
    5 m
    Correct
    Wrong
  • 2
    12 m
    Correct
    Wrong
  • 3
    13 m
    Correct
    Wrong
  • 4
    14.5 m
    Correct
    Wrong
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Answer : 2. "12 m"

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