CAT Practice Question and Answer

Q: Statements : National Aluminium Company has moved India from a position of shortage to self-sufficiency in the metal. Conclusions : a) Previously, India had to import aluminium.b) With this speed, it can soon become a foreign exchange earner. 2120 0

  • 1
    Only a follows
    Correct
    Wrong
  • 2
    Only b follows
    Correct
    Wrong
  • 3
    Neither a nor b follows
    Correct
    Wrong
  • 4
    Both a and b follows
    Correct
    Wrong
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Answer : 4. "Both a and b follows"
Explanation :

Answer: D) Both a and b follows Explanation: According to the statement, National Aluminium Company has moved India from a position of shortage in the past to self-sufficiency in the present. This means that previously, India had to import aluminium. So, I follows. Also, it can be deduced that if production increases at the same rate, India can export it in future. So, II also follows.

Q: Which of the following languages is a Slavic Language? 2119 0

  • 1
    Polish
    Correct
    Wrong
  • 2
    Flemish
    Correct
    Wrong
  • 3
    Romanian
    Correct
    Wrong
  • 4
    Gaelic
    Correct
    Wrong
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Answer : 1. "Polish"
Explanation :

Answer: A) Polish Explanation: Slavic languages, also called Slavonic languages, a subfamily of the Indo-European family of languages Eastern European ethnic group, commonly associated with Russia, the Baltic States, and other Eastern European countries. peoples of the lands of today's Eastern Europe and Russia have excited curiosity and beckoned visitors. Key to these peoples and cultures are the Slavic languages: 1. Russian, 2. Ukrainian, 3. Polish, 4. Czech, and 5. Bosnian/Croatian/Serbian.   Flemish is the language of many Belgians. Romanians are more Hungarian or Balkans-affiliated than Russian. Gaelic is the language of the Celts (Scotland/Ireland).

Q: Digitized information can be used by computers. 2119 0

  • 1
    TRUE
    Correct
    Wrong
  • 2
    FALSE Answer & Explanation Answer:
    Correct
    Wrong
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Answer : 1. "TRUE"
Explanation :

Answer: A) TRUE Explanation: TRUE. The computers and electronic devices use digitized information which is easily understood by them.   Digitization is the process of converting analog signals or information of any form into a digital format that can be understood by computer systems or electronic devices. The term is used when converting information, like text, images or voices, and sounds, into binary code.

Q: Twelve children take sixteen days to complete a work which can be completed by 8 adults in 12 days. After working for 3 days, sixteen adults left and six adults and four children joined them. How many days will they take to complete the remaining work ? 2119 0

  • 1
    3 days
    Correct
    Wrong
  • 2
    2 days
    Correct
    Wrong
  • 3
    6 days
    Correct
    Wrong
  • 4
    12 days
    Correct
    Wrong
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Answer : 3. "6 days"
Explanation :

Answer: C) 6 days Explanation: From the given data, 12 children 16 days work,One child’s one day work = 1/192. 8 adults 12 days work,One adult’s one day’s work = 1/96. Work done in 3 days = ((1/96) x 16 x 3) = 1/2 Remaining work = 1 – 1/2 = 1/2 (6 adults+ 4 children)’s 1 day’s work = 6/96 + 4/192 = 1/12 1/12 work is done by them in 1 day. 1/2 work is done by them in 12 x (1/2) = 6 days.

Q: Which of the following chemical compounds has the highest boiling point? 2118 0

  • 1
    Dimethyl ether (CH3OCH3)
    Correct
    Wrong
  • 2
    Methanol (CH3OH)
    Correct
    Wrong
  • 3
    Methane (CH4)
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 2. "Methanol (CH3OH)"
Explanation :

Answer: B) Methanol (CH3OH) Explanation: Chemical Compounds with stronger intermolecular forces have higher boiling points.   The order of strengths of intermolecular forces is:  London dispersion < dipole-dipole < H-bonding   Methane (CH4) — London dispersion forces Dimethyl ether (CH3OCH3) — dipole-dipole attractions Methanol (CH3OH) — hydrogen bonding Therefore, Methanol - CH3OH with H-Bonding have highest Boiling Point among the given chemical compounds.

Q: What will come in place of the question mark (?) in the following number series  ? 12, 24, 26.5, 79.5, ?, 330 2118 0

  • 1
    211
    Correct
    Wrong
  • 2
    101.5
    Correct
    Wrong
  • 3
    82.5
    Correct
    Wrong
  • 4
    99
    Correct
    Wrong
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Answer : 3. "82.5"
Explanation :

Answer: C) 82.5 Explanation: The given series    12   24   26.5   79.5   ?   330 follows a pattern that,   12 x 2 = 24   24 + 2.5 = 26.5   26.5 x 3 = 79.5   79.5 + 3 = 82.5   82.5 x 4 = 330   Hence, the missing number is 82.5

Q: Who has become the first cricketer to score 10,000 runs in T20 cricket ? 2117 0

  • 1
    David Warner
    Correct
    Wrong
  • 2
    Virat Kohli
    Correct
    Wrong
  • 3
    Chris Gayle
    Correct
    Wrong
  • 4
    Suresh Raina
    Correct
    Wrong
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Answer : 3. "Chris Gayle"
Explanation :

Answer: C) Chris Gayle Explanation:

Q: Three unbiased coins are tossed. What is the probability of getting at most two heads ? 2117 0

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

Answer: D) 3/4 Explanation: Let S be the sample space.Here n(S)= 23 = 8Let E be the event of getting atmost two heads. Then,n(E) = {(H,T,T), (T,H,T), (T,T,H), (H,H,T), (T,H,H), (H,T,H)}Required probability = n(E)/n(S) = 6/8 = 3/4.

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