CAT Practice Question and Answer

Q: A clock is started at 11 a.m. By 600 seconds past 6 p.m, the hour hand has turned through ? 2622 0

  • 1
    155 degrees
    Correct
    Wrong
  • 2
    175 degrees
    Correct
    Wrong
  • 3
    205 degrees
    Correct
    Wrong
  • 4
    215 degrees
    Correct
    Wrong
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Answer : 4. "215 degrees"
Explanation :

Answer: D) 215 degrees Explanation: The total angle traced by the hour hand is the angle traced in 7 hours and 10 minutes.We know that the angle traced by the hour hand in one hour is 30º and in one minute is 1/2º.Therefore, (30º x 7) + (10 x 1/2º) = 215º is the angle traced by the hour hand.

Q: The average of the ages of Sumit, Krishna and Rishabh is 43 years and the average of the ages of Sumit, Rishabh and Rohit is 49 years. If Rohit is 54 years old, what is Krishna'a age ? 2618 0

  • 1
    48 yrs
    Correct
    Wrong
  • 2
    42 yrs
    Correct
    Wrong
  • 3
    40 yrs
    Correct
    Wrong
  • 4
    36 yrs
    Correct
    Wrong
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Answer : 4. "36 yrs"
Explanation :

Answer: D) 36 yrs Explanation: Let present ages of Sumit=w, Krishna=x, Rishabh=y and Rohit=z , thenw+x+y = 43x3 = 129 ---(i) andw+y+z = 49x3 = 147 ---(ii)Subtracting (i) from (ii), (w+y+z) - (w+x+y)=147 -129 , z- x =18 ---(iii)Given Rohit's age => z = 54, so from (iii), x = 54-18 = 36

Q: Oxygen in our blood is transported by a protein named 2618 0

  • 1
    keratin
    Correct
    Wrong
  • 2
    myoglobi
    Correct
    Wrong
  • 3
    collagen
    Correct
    Wrong
  • 4
    haemoglobin
    Correct
    Wrong
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Answer : 4. "haemoglobin"
Explanation :

Answer: D) haemoglobin Explanation: Oxygen in our blood is transported by a protein named Haemoglobin.

Q: What is the ratio of 18 minutes to one hour ? 2617 0

  • 1
    1/5
    Correct
    Wrong
  • 2
    3/4
    Correct
    Wrong
  • 3
    1/7
    Correct
    Wrong
  • 4
    3/10
    Correct
    Wrong
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Answer : 4. "3/10"
Explanation :

Answer: D) 3/10 Explanation: One hour = 60 min 18/60 = 3/10

Q: A sum of money at simple interest amounts to Rs. 415 in 2 years and to Rs. 514 in 4 years. The sum is ? 2617 0

  • 1
    Rs. 316
    Correct
    Wrong
  • 2
    Rs. 251
    Correct
    Wrong
  • 3
    Rs. 154
    Correct
    Wrong
  • 4
    Rs. 294
    Correct
    Wrong
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Answer : 1. "Rs. 316"
Explanation :

Answer: A) Rs. 316 Explanation: S.I. for 2 years = (514 - 415) = Rs. 99S.I. for 1 year = 99/2 Principal = (415 - 99) = Rs. 316.

Q: प्रिंटर का रिजॉल्यूशन में मापा जाता है 2615 0

  • 1
    DPI
    Correct
    Wrong
  • 2
    Megabits
    Correct
    Wrong
  • 3
    Hertz
    Correct
    Wrong
  • 4
    Inches
    Correct
    Wrong
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Answer : 1. "DPI"
Explanation :

Answer: A) DPI व्याख्या: डॉट्स प्रति इंच (डीपीआई, या डीपीआई) स्थानिक मुद्रण या वीडियो या छवि स्कैनर डॉट घनत्व का एक माप है, विशेष रूप से व्यक्तिगत बिंदुओं की संख्या जिन्हें 1 इंच (2.54 सेमी) की अवधि के भीतर एक पंक्ति में रखा जा सकता है।

Q: Which of the following is NOT a representative of a Buddhist Art? 2614 0

  • 1
    Relic Towers
    Correct
    Wrong
  • 2
    Vihara
    Correct
    Wrong
  • 3
    Stupa
    Correct
    Wrong
  • 4
    Chaitya
    Correct
    Wrong
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Answer : 1. "Relic Towers"
Explanation :

Answer: A) Relic Towers Explanation:

Q: How much does a clock lose per day, if its hands coincide ever 65 minutes ? 2614 0

  • 1
    1440/143 min
    Correct
    Wrong
  • 2
    184/13 min
    Correct
    Wrong
  • 3
    1425/18 min
    Correct
    Wrong
  • 4
    541/9 min
    Correct
    Wrong
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Answer : 3. "1425/18 min"
Explanation :

Answer: C) 1425/18 min Explanation: 55 min. spaces are covered in 60 min.60 min. spaces are covered in ((60/55) x 60) min = 720/11 min.Loss in 65 min. = (720/11 - 65 ) = 5/11Loss in 24 hrs = (5/11 x 1/65 x 24 x 60)min = 1440/143 min.

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