CAT Practice Question and Answer

Q: Prashanth sold a album for $ 735 and made a profit of 22.5% . The cost price of the album went up by $120 and so Prashanth increased the selling price by $120. What is his profit % now ? 1713 0

  • 1
    19.32 %
    Correct
    Wrong
  • 2
    18.75 %
    Correct
    Wrong
  • 3
    21.41 %
    Correct
    Wrong
  • 4
    22 %
    Correct
    Wrong
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Answer : 2. "18.75 %"
Explanation :

Answer: B) 18.75 % Explanation: Prashanth sold a album for $ 735 and made a profit of 22.5% .CP = 735 x 100/122.5 = Rs. 600New CP = 600 + 120 = Rs. 720New SP = 735 + 120 = Rs. 855. Profit = Rs. 135. profit % = 100 x 135/720 = 18.75%.

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Answer : 3. "Both a & b follows"
Explanation :

Answer: C) Both a & b follows Explanation: According to the statement, Government has spoiled financial institutions by appointing bureaucrats as Directors. This means that only those persons should be appointed as Directors who are experts in finance and are acquainted with the financial work of the institute. So, both a and b follows.

Q: In a certain language, SUPERMAN is coded as TTQDSLBM. How is SPIDERMAN coded in that language ? 8215 0

  • 1
    TOJCFQNZO
    Correct
    Wrong
  • 2
    TOJCFSLBM
    Correct
    Wrong
  • 3
    TOJCFONZO
    Correct
    Wrong
  • 4
    TOJCOSLBM
    Correct
    Wrong
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Answer : 1. "TOJCFQNZO"
Explanation :

Answer: A) TOJCFQNZO Explanation: There is two sequence. S(odd) P(Even) I(odd) D(even) E(odd) R(even) M(odd) A(even) N(odd)For odd sequence, we want to write next alphabet of thatand for even, we want to write previous alphabet of that. TOJCFQNZO is the Answer.

Q: If [P @ Q] means [P is wife of Q], [P+Q] means [P is father of Q] and [P - Q] means [P is sister of Q] then in [G+ H - R @ D], how is G related to D ? 1745 0

  • 1
    Son-in-law
    Correct
    Wrong
  • 2
    Grand father
    Correct
    Wrong
  • 3
    Father-in-law
    Correct
    Wrong
  • 4
    Brother
    Correct
    Wrong
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Answer : 3. "Father-in-law"
Explanation :

Answer: C) Father-in-law Explanation: "G is father in law of D"G+H means G is father of HH is either son or daughter of GH-R means H is sister of RR@D means R is wife of Dso H and R are sistersand daughters of Gso husband of R i.e. D is son in law of Gor G is father in law of D

Q: In a class there are certain no. of boys and girls. If 15 girls are absent then no. of boys will be twice that of girls. If 45 boys are absent then girls strength will be 5 times that of boys. Find number of boys actually present ? 2026 0

  • 1
    40
    Correct
    Wrong
  • 2
    50
    Correct
    Wrong
  • 3
    55
    Correct
    Wrong
  • 4
    35
    Correct
    Wrong
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Answer : 2. "50"
Explanation :

Answer: B) 50 Explanation: 15 girls are absent => b = 2(g-15)...... eqn...(1) 45 boys are absent => g - 15 = 5(b-45).....eqn...(2) => g = 5(b-45) + 15 => b = 2((5(b-45)+15)-15) => b = 2(5b - 225 + 15 - 15) => b = 2(5b-225) => b = 10b - 450 => 9b = 450 => b = 50 so from equation(2) g - 15 = 5(b - 45) => g - 15 = 5(50-45) => g - 15 = 5(5) => g = 25 + 15 => g = 40 Therefore, the number of boys = 50 and girls = 40

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. 1654 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: A person says that his son is 5 times as old as his daughter and his wife is 5 times older than his son and he is twice the age of his wife . The sum total of all the ages equals the age of the grand mother who celebrated her 81st birthday today. How old was his son? 2186 0

  • 1
    50 yrs
    Correct
    Wrong
  • 2
    25 yrs
    Correct
    Wrong
  • 3
    72 yrs
    Correct
    Wrong
  • 4
    40 yrs
    Correct
    Wrong
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Answer : 1. "50 yrs"
Explanation :

Answer: A) 50 yrs Explanation: Let the daughter age be 'x'Therefore, Son age = 5x, Mother age = 25x, Person age = 50x. Thus we get, x+5x+25x+50x = 8181x = 81x = 1 Daughter's age = 1, Son's = 5, Mother's = 25, Person's age = 50.

Q: There is a 3 digited number. 3rd digit is the square root of the 1st digit. 2nd digit is the sum of 1st and 3rd. And that number is divisible by 2,3,6,7. What is that number? 1107 0

  • 1
    121
    Correct
    Wrong
  • 2
    943
    Correct
    Wrong
  • 3
    462
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 3. "462"
Explanation :

Answer: C) 462 Explanation: Assume that the number is taken as XYZ.Condition 1 => Z = sq.root(x) => Possible digits of X is 1,4,9Condition 2 => Y = X + ZX Y Z1 2 14 6 29 12 3 => (wrong because it is 4 digit.) and 121 is not divisible by 2 The answer is 462.

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