CAT Practice Question and Answer

Q: A tank-full petrol in Veeru’s Car last for 20 days. If he starts using 25% more every day, how many days will the tank-full petrol last? 3284 0

  • 1
    18 days
    Correct
    Wrong
  • 2
    12 days
    Correct
    Wrong
  • 3
    14 days
    Correct
    Wrong
  • 4
    16 days
    Correct
    Wrong
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Answer : 4. "16 days"
Explanation :

Answer: D) 16 days Explanation: The analogy here is like this: Veeru has 20 lt of petrol and he uses 1 lt per each day and consumes it in 20 days. If he uses 1.25 lt every day, in how many days it will be consumed?We considered 1.25 lt here because it’s 25% more than 1 lt. The answer would be  20/1.25=16 days.

Q: Bijapur is known for its what? 3283 0

  • 1
    Statue of Gomateshwara
    Correct
    Wrong
  • 2
    Heavy rainfall
    Correct
    Wrong
  • 3
    Gol Gumbaz
    Correct
    Wrong
  • 4
    Severe Drought area
    Correct
    Wrong
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Answer : 3. "Gol Gumbaz"
Explanation :

Answer: C) Gol Gumbaz Explanation: Bijapur is known for its Gol Gumbaz. Bijapur city is well known for its historical monuments of architectural importance built during the rule of the Adil Shahi dynasty.   What is Gol Gumbaz ::   1. It is the tomb of Mohammed Adil Shah. This is the most famous monument in Bijapur.  2. It is the largest dome ever built in India. 3. A particular attraction in this monument is the central chamber, where every sound is echoed seven times. 4. Another attraction at the Gol Gumbaz is the Whispering Gallery, where even minute sounds can be heard clearly 37 metres away.   Statue of Gomateshwara - Shravanabelagola in Karnataka.   Heavy Rainfall - Cherrapunji in Meghalaya.

Q: Ratio of the ages of Mahesh and Nilesh is 5 : x. Mahesh is 18 years younger to Ramesh. After nine years Ramesh will be 47 years old. If the difference between the ages of Mahesh and Nilesh is same as the age of Ramesh, what is the value of x ? 3281 0

  • 1
    11.8
    Correct
    Wrong
  • 2
    12.9
    Correct
    Wrong
  • 3
    13.7
    Correct
    Wrong
  • 4
    14.5
    Correct
    Wrong
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Answer : 4. "14.5"
Explanation :

Answer: D) 14.5 Explanation: Let the present ages of Mahesh, Nilesh and Ramesh be k, l and m respectively.k/l = 5/x ------ (1)k = m - 18 ------ (2)m + 9 = 47 ------ (3)k - l = m ----- (4)(3) => m = 47 - 9 = 38 years(2) => k = 38 -18 = 20 years(1) => 20/l = 5/x => l = 4x(4) => 4x - 20 = 38=> 4x = 58 => x = 14.5

Q: The ratio of Karthik’s and Kalyan’s ages is 4: 5. If the difference between the present age of Kalyan and the age of Karthik 5 years hence is 3 years, then what is the total of present ages of Karthik and Kalyan? 3275 0

  • 1
    56 years
    Correct
    Wrong
  • 2
    62 years
    Correct
    Wrong
  • 3
    69 years
    Correct
    Wrong
  • 4
    72 years
    Correct
    Wrong
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Answer : 4. "72 years"
Explanation :

Answer: D) 72 years Explanation: Let us consider Karthik as K1 and Kalyan as K2. Given k18+k1 and K2 - (K1 + 5) = 3  K2 - K1 = 8 K2 = 8 + K1 Now,  k18+k1= 45 => K1 = 32 years Therefore K2 = 40 years. K1 + K2 = 72 years.

Q: Two goods trains each 520 m long, are running in opposite directions on parallel tracks. Their speeds are 42 km/hr and 36 km/hr respectively. Find the time taken by the slower train to cross the driver of the faster one ? 3273 0

  • 1
    60 sec
    Correct
    Wrong
  • 2
    48 sec
    Correct
    Wrong
  • 3
    45 sec
    Correct
    Wrong
  • 4
    34 sec
    Correct
    Wrong
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Answer : 2. "48 sec"
Explanation :

Answer: B) 48 sec Explanation: Relative speed = 42 + 36 = 78 km/hr = 653 m/s Distance = (520 + 520) =1040 mts. Time = 1040×365= 48 sec

Q: The ratio of male and female in a city is 7 : 8 respectively and percentage of children among male and female is 25 and 20 respectively. If number of adult females is 156800, what is the total population of the city? 3267 0

  • 1
    4,12,480
    Correct
    Wrong
  • 2
    3,67,500
    Correct
    Wrong
  • 3
    5,44,700
    Correct
    Wrong
  • 4
    2,98,948
    Correct
    Wrong
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Answer : 2. "3,67,500"
Explanation :

Answer: B) 3,67,500 Explanation: Let the total population be 'p' Given ratio of male and female in a city is 7 : 8 In that percentage of children among male and female is 25% and 20% => Adults male and female % = 75% & 80% But given adult females is = 156800 => 80%(8p/15) = 156800 => 80 x 8p/15 x 100 = 156800 => p = 156800 x 15 x 100/80 x 8 => p = 367500 Therefore, the total population of the city = p = 367500

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Answer : 1. "84 years"
Explanation :

Answer: A) 84 years Explanation: Let the age of ruler is x so that of son = x/2 (given)Now according to the given condition (x/6) + (x/12) + (x/7) + 5 + (x/2) + 4 = x=> x = 84

Q: Vishal, Priyatham, Raghu, Karthik and Veeru are five friends. Vishal is twice as old as priyatham. Raghu is half age of Priyatham. Vishal is half the age of Veeru and Raghu is twice the age of Karthik. Question:Who is the youngest ? 3263 0

  • 1
    Veeru
    Correct
    Wrong
  • 2
    Karthik
    Correct
    Wrong
  • 3
    Vishal
    Correct
    Wrong
  • 4
    Raghu
    Correct
    Wrong
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Answer : 2. "Karthik"
Explanation :

Answer: B) Karthik Explanation: Let Priyatham's age = x Then, Vishal's age = 2x; Raghu's age = x/2; Veeru's age = 4x ; Karthik's age = x/4 So, the descending order of ages is : Veeru > Vishal > Priyatham > Raghu > Karthik Therefore,  Karthik is the youngest.

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