CAT Practice Question and Answer

Q: In how many different ways can the letters of the word 'HAPPYHOLI' be arranged? 1632 0

  • 1
    89,972
    Correct
    Wrong
  • 2
    90,720
    Correct
    Wrong
  • 3
    72,000
    Correct
    Wrong
  • 4
    81,000
    Correct
    Wrong
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Answer : 2. "90,720"
Explanation :

Answer: B) 90,720 Explanation: The given word HAPPYHOLI has 9 letters These 9 letters can e arranged in 9! ways. But here in the given word letters H & P are repeated twice each Therefore, Number of ways these 9 letters can be arranged is┬а 9!2!┬аx┬а2!┬а=┬а9┬аx┬а8┬аx┬а7┬аx┬а6┬аx┬а5┬аx┬а4┬аx┬а32┬а=┬а90,720┬аways.

Q: Which is the first country in the world to pay a basic income to randomly picked citizens on a national level, with the aim of dismissing poverty, motivate people to join work force and decrease unemplyment ? 1632 0

  • 1
    Canada
    Correct
    Wrong
  • 2
    USA
    Correct
    Wrong
  • 3
    Finland
    Correct
    Wrong
  • 4
    Germany
    Correct
    Wrong
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Answer : 3. "Finland"
Explanation :

Answer: C) Finland Explanation:

Q: The length of two superfast trains are 140 mts and 160 mts respectively. If they run at the speed of 60 km/hr and 80 km/hr respectively in opposite direction, find the time in which they will cross each other ? 1632 0

  • 1
    7.71 sec
    Correct
    Wrong
  • 2
    10.48 sec
    Correct
    Wrong
  • 3
    9.36 sec
    Correct
    Wrong
  • 4
    8.45 sec
    Correct
    Wrong
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Answer : 1. "7.71 sec"
Explanation :

Answer: A) 7.71 sec Explanation: Given L1 = 140 m L2 = 160 m S1 = 60 km/hr S2 = 80 km/hr From the question we get, S1 + S2 = (L1 + L2) / T => (60 + 80) 5/18 m/s = 140 + 160/T => T = 54/7 = 7.71 sec

Q: Anti-emergency day is observed on 1630 0

  • 1
    June 26
    Correct
    Wrong
  • 2
    January 26
    Correct
    Wrong
  • 3
    September 26
    Correct
    Wrong
  • 4
    July 26
    Correct
    Wrong
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Answer : 1. "June 26"
Explanation :

Answer: A) June 26 Explanation: The government has decided to observe anti-Emergency day on June 25-26 and asked all its ministers to hold programmes across the country to remind people how Emergency was clamped by former Prime Minister Indira Gandhi in 1975.

Q: The belief in one god is called 1630 0

  • 1
    Polytheism
    Correct
    Wrong
  • 2
    Monotheism
    Correct
    Wrong
  • 3
    Holytheism
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 2. "Monotheism"
Explanation :

Answer: B) Monotheism Explanation: Belief in the existence of one god, or in the oneness of God is called Monotheism.

Q: The sum of the ages of 5 children born at the intervals of 3 years each is 50 years. What is the age og the youngest child ? 1630 0

  • 1
    8 yrs
    Correct
    Wrong
  • 2
    16 yrs
    Correct
    Wrong
  • 3
    6 yrs
    Correct
    Wrong
  • 4
    4 yrs
    Correct
    Wrong
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Answer : 4. "4 yrs"
Explanation :

Answer: D) 4 yrs Explanation: Let the age of the youngest child is 'X' years.Then the child elder than the yongest is 'X + 3' yrsSince each have 3yrs difference upto 5 childrenAnd given that=> X + X+3 + X+6 + X+9 + X+12 = 50=> 5X + 30 = 50=> X = 4 yrs.

Q: A laborer is engaged for 30 days on the condition that he receives Rs.25 for each day he works and is fined Rs.7.50 for each day is absent. He gets Rs.425 in all. For how many days was he absent ? 1629 0

  • 1
    10 days
    Correct
    Wrong
  • 2
    14 days
    Correct
    Wrong
  • 3
    11 days
    Correct
    Wrong
  • 4
    9 days
    Correct
    Wrong
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Answer : 1. "10 days"
Explanation :

Answer: A) 10 days Explanation: For 30 days he receives 30 x 25 = 750┬а ┬а ┬а ┬а ┬а ┬а ┬а ┬а Actually he gets 425 Therefore, Fine is 750 - 425 =┬а 325 ┬а => No of days absent = 325/(25+7.50)= 10

Q: At present, the ratio between the ages of Arun and Harish is 4:3. After 6 years, Arun's age will be 26 years. What is the age of Harish at present ? 1629 0

  • 1
    15 years
    Correct
    Wrong
  • 2
    16 years
    Correct
    Wrong
  • 3
    18 years
    Correct
    Wrong
  • 4
    21 years
    Correct
    Wrong
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Answer : 1. "15 years"
Explanation :

Answer: A) 15 years Explanation: Let the present ages of Arun and Harish be 4x and 3x years respectively. Then, 4x + 6 = 26 => x = 5 Harish's age = 3x = 15 years.

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