CAT Practice Question and Answer
8Q: (3x + 2) (2x - 5) = ax² + kx + n. What is the value of a - n + k ? 2055 05b5cc74fe4d2b4197774fafe
5b5cc74fe4d2b4197774fafe- 14false
- 21false
- 35true
- 43false
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Answer : 3. "5"
Explanation :
Answer: C) 5 Explanation: (3x + 2) (2x - 5) = ax2+kx+n ...............(1) But (3x + 2)(2x - 5) = 6x2-11x-10........(2) so by comparing (1) & (2), we get a= 6, k= -11 , n= -10 (a - n + k) = 6 + 10 - 11 = 5.
Q: What profit percent is made by selling an article at a certain price, if by selling at 2/3rd of that price, there would be a loss of 20% ? 2055 05b5cc6dbe4d2b4197774e937
5b5cc6dbe4d2b4197774e937- 130 %false
- 225 %false
- 315 %false
- 420 %true
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Answer : 4. "20 %"
Explanation :
Answer: D) 20 % Explanation: SP2 = 2/3 SP1CP = 100SP2 = 802/3 SP1 = 80 SP1 = 120100 --- 20 => 20%
Q: " One Earth ” is the name of the corporate headquarters of which firm ? 2055 05b5cc6fbe4d2b4197774f0ba
5b5cc6fbe4d2b4197774f0ba- 1Tata Consultancy Servicesfalse
- 2Suzlon Energytrue
- 3Power grid Corporation of India Ltdfalse
- 4Wiprofalse
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Answer : 2. "Suzlon Energy"
Explanation :
Answer: B) Suzlon Energy Explanation: Suzlon energy has its corporate headquarter in Pune, Maharashtra with the name of “One Earth”. Spread over 10 acres of land, the structure is completely powered by renewable energy. One Earth has been certified as the LEED (Leadership in Energy and Environment Design) Platinum building. Suzlon is largest wind turbine manufacturer in India and third largest in world.
Q: Which Temple has been named as the cleanest iconic place in India under the 'Swachhata Hi Seva' Programme ? 2054 05b5cc6c1e4d2b4197774db7d
5b5cc6c1e4d2b4197774db7d- 1Vaishno Devi Templefalse
- 2Tirupathi Templefalse
- 3Golden Templefalse
- 4Meenakshi Templetrue
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Answer : 4. "Meenakshi Temple"
Explanation :
Answer: D) Meenakshi Temple Explanation: The Meenakshi Temple in Tamil Nadu's Madurai has been named the cleanest iconic place in India under the 'Swachhata Hi Seva' programme.
Q: Anil purchases two books for Rs.100. He sells first at loss of 5% and second al 20% profit. If he gets Overall profit of 5% then what is cost of first book? 2053 05b5cc60de4d2b4197774b61d
5b5cc60de4d2b4197774b61d- 158false
- 260true
- 355false
- 445false
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Answer : 2. "60"
Explanation :
Answer: B) 60 Explanation: -5-----------------------5-------------------20 5-(-5) = 10 20-5= 15 Ratio of cost price of book1 and book2 = 3:2 Then cost price of book 1 is given by (3/5) x 100 = Rs. 60.
Q: In a Certain Country 1/2 of 5 = 3. If the same proportion holds, what is the value of 1/3 of 10 ? 2051 05b5cc7a5e4d2b41977750665
5b5cc7a5e4d2b41977750665- 14true
- 26false
- 38false
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Answer : 1. "4"
Explanation :
Answer: A) 4 Explanation: Let 1310 = x => 3x = 10 Given that 125=3 Therefore, 52x = 10 => x = 10/3 = 4.
Q: What has One Eye Yet cannot See? 2047 05b5cc6afe4d2b4197774d1f6
5b5cc6afe4d2b4197774d1f6- 1One-eyed Jackfalse
- 2A Needletrue
- 3Blind Justicefalse
- 4Hurricane eyefalse
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Answer : 2. "A Needle"
Explanation :
Answer: B) A Needle Explanation: What has one eye yet cannot see is An Eye of a Needle. A needle has an eye through which we thread it but it is not for seeing.
Q: A letter is takenout at random from 'ASSISTANT' and another is taken out from 'STATISTICS'. The probability that they are the same letter is : 2047 05b5cc7d0e4d2b41977751213
5b5cc7d0e4d2b41977751213- 135/96false
- 219/90true
- 319/96false
- 4None of thesefalse
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Answer : 2. "19/90"
Explanation :
Answer: B) 19/90 Explanation: ASSISTANT→AAINSSSTT STATISTICS→ACIISSSTTT Here N and C are not common and same letters can be A, I, S, T. Therefore Probability of choosing A = 2C19C1×1C110C1 = 1/45 Probability of choosing I = 19C1×2C110C1 = 1/45 Probability of choosing S = 3C19C1×3C110C1 = 1/10 Probability of choosing T = 2C19C1×3C110C1 = 1/15 Hence, Required probability = 145+145+110+115= 1990