CAT Practice Question and Answer

Q: How many squares do you see? 1946 0

  • 1
    44
    Correct
    Wrong
  • 2
    45
    Correct
    Wrong
  • 3
    46
    Correct
    Wrong
  • 4
    50
    Correct
    Wrong
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Answer : 2. "45"
Explanation :

Answer: B) 45 Explanation: Number of squares in the given figure is 16 + 9 + 19 + 1 = 45.

Q: What is the angle made by the hour hand and the minute hand, if the clock shows 9:15 pm ? 1946 0

  • 1
    165 degrees
    Correct
    Wrong
  • 2
    172.5 degrees
    Correct
    Wrong
  • 3
    112.5 degrees
    Correct
    Wrong
  • 4
    125.5 degrees
    Correct
    Wrong
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Answer : 2. "172.5 degrees"
Explanation :

Answer: B) 172.5 degrees Explanation: The minute hand angle is the easiest since an hour (i.e. 60 minutes) corresponds to the entire 360 degrees, each minute must correspond to 6 degrees. So just multiply the number of minutes in the time by 6 to get the number of degrees for the minute hand. Here 15 minutes corresponds to 15 x 6 = 90 degrees Next, you have to figure out the angle of the hour hand. Since there are 12 hours in the entire 360 degrees, each hour corresponds to 30 degrees. But unless the time is EXACTLY something o'clock, you have to write the time as a fractional number of hours rather than as hours and minutes.Here the time is 9:15 which is (9 + 15/60) = 37/4 hours. Since each hour corresponds to 30 degrees, we multiply 30 to get (37/4)(30) = 277.5 degrees. Since the hour hand is at 277.5 degrees and the minute hand is at 90 degrees, we can subtract to get the angle of separation. 277.5 - 90 = 187.5 =~ 360 - 187.5 = 172.5 degrees.

Q: Which district in Andra Pradesh won the MGNREGA annual award for effective implementation of the Mahatma Gandhi National Rural Employment Guarantee Act ? 1946 0

  • 1
    Vizianagaram
    Correct
    Wrong
  • 2
    Vizag
    Correct
    Wrong
  • 3
    Guntur
    Correct
    Wrong
  • 4
    Srikakulam
    Correct
    Wrong
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Answer : 1. "Vizianagaram"
Explanation :

Answer: A) Vizianagaram Explanation: The Ministry of Rural Development has selected Vizianagaram as one among the 17 districts across the nation for the MGNREGA annual award for effective implementation of the Mahatma Gandhi National Rural Employment Guarantee Act during 2015-16. The award would be presented at the Mahatma Gandhi NREGA Sammelan to the district programme coordinator and District Collector on June 19, 2017 in New Delhi.

Q: Which is not associated with areas of karst topography? 1945 0

  • 1
    flowing rivers
    Correct
    Wrong
  • 2
    sinkholes
    Correct
    Wrong
  • 3
    sinking streams
    Correct
    Wrong
  • 4
    caverns
    Correct
    Wrong
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Answer : 1. "flowing rivers"
Explanation :

Answer: A) flowing rivers Explanation: A karst topography is that which composes of limestone and its associated features and structures. Karst topography and caves develop in limestone rocks due to their solubility in dilute acidic groundwater. The solubility of limestone in water and weak acid solutions leads to karst landscapes.   Flowing rivers, can be found in areas away from karst topography.

Q: The highway transportation system is coordinated by 1945 0

  • 1
    Department of Transportation
    Correct
    Wrong
  • 2
    Your local police department
    Correct
    Wrong
  • 3
    The Department of Education
    Correct
    Wrong
  • 4
    The Internal Revenue Service
    Correct
    Wrong
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Answer : 1. "Department of Transportation"
Explanation :

Answer: A) Department of Transportation Explanation:

Q: There are 5 consecutive odd numbers. If the difference between square of the average of first two odd number and the of the average last two odd numbers is 396, what is the smallest odd number? 1944 0

  • 1
    29
    Correct
    Wrong
  • 2
    27
    Correct
    Wrong
  • 3
    31
    Correct
    Wrong
  • 4
    33
    Correct
    Wrong
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Answer : 1. "29"
Explanation :

Answer: A) 29 Explanation: Let the five consecutive odd numbers be x-4, x-2, x, x+2, x+4 According to the question, Difference between square of the average of first two odd number and the of the average last two odd numbers is 396 i.e, x+3 and x-3 ⇒x + 32 - x - 32 = 396⇒ x2 + 9 + 6x - x2 + 6x - 9 = 396⇒ 12x = 396⇒ x = 33   Hence, the smallest odd number is 33 - 4 = 29.

Q: Express 3/8 and 1/10 as a Decimals? 1944 0

  • 1
    1.375 & 1
    Correct
    Wrong
  • 2
    0.375 & 1
    Correct
    Wrong
  • 3
    13.75 & 1.1
    Correct
    Wrong
  • 4
    0.375 & 0.1
    Correct
    Wrong
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Answer : 4. "0.375 & 0.1"
Explanation :

Answer: D) 0.375 & 0.1 Explanation: 3/8 as a Decimal : In this we should convert the denominator into 10, 100, 1000, 10000, 100000,... to make it simple. Now to make 8 into 1000, we multiply numerator and denominator with 125 => 3 x 1258 x 125 = 3751000 = 0.375   1/10 as a Decimal : 1 divided into 10 parts of each 0.1.   Therefore, 3/8 = 0.375 and 1/10 = 0.1 in decimals.

Q: Two trains are running with speeds 30 kmph and 58 kmph respectively in the same direction. A man in the slower train passes the faster train in 18 seconds. Find the length of the faster train? 1943 0

  • 1
    105 mts
    Correct
    Wrong
  • 2
    115 mts
    Correct
    Wrong
  • 3
    120 mts
    Correct
    Wrong
  • 4
    140 mts
    Correct
    Wrong
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Answer : 4. "140 mts"
Explanation :

Answer: D) 140 mts Explanation: Speeds of two trains = 30 kmph and 58 kmph => Relative speed = 58 - 30 = 28 kmph = 28 x 5/18 m/s = 70/9 m/s Given a man takes time to cross length of faster train = 18 sec   Now, required Length of faster train = speed x time = 70/9  x  18 = 140 mts.

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