CAT Practice Question and Answer

Q: 217 x 217 + 183 x 183 = ? 1936 0

  • 1
    84521
    Correct
    Wrong
  • 2
    87487
    Correct
    Wrong
  • 3
    80578
    Correct
    Wrong
  • 4
    78458
    Correct
    Wrong
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Answer : 3. "80578"
Explanation :

Answer: C) 80578 Explanation: 2172+1832   = 200+172+200-172   It is in the form of a+b2+a-b2=2a2+b2   = 2(40000 + 289) = 80578.

Q: Mahesh bought 100 kg of rice for Rs. 1040 and sold it at a loss of as much money as he received for 30 kg rice. At what price did he sell the rice? 1936 0

  • 1
    Rs. 7.46/kg
    Correct
    Wrong
  • 2
    Rs. 8/kg
    Correct
    Wrong
  • 3
    Rs. 8.74/kg
    Correct
    Wrong
  • 4
    Rs. 8.56/kg
    Correct
    Wrong
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Answer : 2. "Rs. 8/kg"
Explanation :

Answer: B) Rs. 8/kg Explanation: Let the selling price of the rice = Rs.P/kg Now, according to the question, 1040 - 100p = 30p => p = 8/kg   Hence, the selling price of the rice = Rs. 8/kg

Q: Who became the first wicketkeeper in world cricket to effect 100 stumpings in ODI's in 2017 ? 1936 0

  • 1
    Mahendra Singh Dhoni
    Correct
    Wrong
  • 2
    Kumar Sangakkara
    Correct
    Wrong
  • 3
    Mark Boucher
    Correct
    Wrong
  • 4
    Adam Gilchrist
    Correct
    Wrong
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Answer : 1. "Mahendra Singh Dhoni"
Explanation :

Answer: A) Mahendra Singh Dhoni Explanation: Former India captain Mahendra Singh Dhoni became the first wicketkeeper in world cricket to effect 100 stumpings in One Day Internationals. He broke the record of former Sri Lankan captain Kumar Sangakkara.

Q: R enter into a partnership in the ratio 2 : 3 : 5 . After 2 months, P increases his share 20% and Q by 10%. If the total profit at the end of one year is Rs 1,90,500, what amount will 'R' receive at the end of year as share in profit ? 1936 0

  • 1
    Rs. 90500
    Correct
    Wrong
  • 2
    Rs. 87500
    Correct
    Wrong
  • 3
    Rs. 88900
    Correct
    Wrong
  • 4
    Rs. 90000
    Correct
    Wrong
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Answer : 4. "Rs. 90000"
Explanation :

Answer: D) Rs. 90000 Explanation: Ratio of investments for 1 year => (P : Q : R) = (2x2 + 2.4x10) : (3x2 + 3.3x10) : (5x12) => (P : Q : R) = 28 : 39 : 60 Now R share = 190500 x 60/127 = Rs. 90000.

Q: What can go up a chimney down, but cannot go down a chimney up? 1936 0

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Answer :
Explanation :

An Umbrella. Yes, when it is open it can't be fit under a chimney but when it is closed it can be fit down a chimney.

Q: What will be the ratio of simple interest earned by certain amount at the same rate of interestfor 4 years and 6 years ? 1935 0

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

Answer: C) 2:3 Explanation: Let p be the principle amount And R% be the rate of interest Then, required ratio =P×4×R100P×6×R100    ⇒4PR6PR= 2:3

Q: A began a business with Rs. 85000. He was joined afterwards by B with Rs. 42,500. For how much perod does B join, if the profits at the end of the year are divided in the ratio of 3:1 ? 1935 0

  • 1
    8 months
    Correct
    Wrong
  • 2
    6 months
    Correct
    Wrong
  • 3
    7 months
    Correct
    Wrong
  • 4
    9 months
    Correct
    Wrong
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Answer : 1. "8 months"
Explanation :

Answer: A) 8 months Explanation: Suppose B joined for x months. Given profit is divided in the ratio 3:1. Then, 85000×1242500×x=31  --> x = 8 months.

Q: What is the value of KL ? Statement A: K2= 4.Statement B: L = 0. 1934 0

  • 1
    Only A is sufficient
    Correct
    Wrong
  • 2
    Only B is sufficient
    Correct
    Wrong
  • 3
    Both (A) and (B) are sufficient
    Correct
    Wrong
  • 4
    A) and (B) are sufficient D)
    Correct
    Wrong
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Answer : 2. "Only B is sufficient"
Explanation :

Answer: B) Only B is sufficient Explanation: From statement B,  As the value of L = 0, the value of KL = 0. Hence only statement B is sufficient.

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