CAT Practice Question and Answer
8Q: How many parallelograms will be formed if 7 parallel horizontal lines intersect 6 parallel vertical lines? 3118 05b5cc754e4d2b4197774fbb4
5b5cc754e4d2b4197774fbb4- 1215false
- 2315true
- 3415false
- 4115false
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Answer : 2. "315"
Explanation :
Answer: B) 315 Explanation: Parallelograms are formed when any two pairs of parallel lines (where each pair is not parallel to the other pair) intersect. Hence, the given problem can be considered as selecting pairs of lines from the given 2 sets of parallel lines. Therefore, the total number of parallelograms formed = 7C2 x 6C2 = 315
Q: Three men, four women and six children can complete a work in 9 days. A women does double the work a man does and a child does half the work a man does. How many women alone can complete this work in 9 days? 3117 05b5cc6b2e4d2b4197774d374
5b5cc6b2e4d2b4197774d374- 17true
- 28false
- 39false
- 46false
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Answer : 1. "7"
Explanation :
Answer: A) 7 Explanation: Given (3 Men + 4 Women + 6 Children) -----> 9 days But W = 2M and C = M/2 Now, convert Men and Children into Women by 3W2 + 4W + 6W4=> 32 + 4 + 32 = 7 Women Therefore, 7 women alone can complete this work in 9 days.
Q: Gases used in normal welding? 3111 05b5cc688e4d2b4197774c327
5b5cc688e4d2b4197774c327- 1Oxygen and Acetylenetrue
- 2Acetylene and Nitrogenfalse
- 3Oxygen, Hydrogen and Acetylenefalse
- 4Oxygen and Hydrogenfalse
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Answer : 1. "Oxygen and Acetylene"
Explanation :
Answer: A) Oxygen and Acetylene Explanation: Normal Gas welding use oxygen-acetylene. Depending on what materials you are welding, there are some more options that might be used. For example - MIG/TIG use Argon, MAG use an argon-something mix.
Q: Which of the following is true of VoIP? 3108 05b5cc615e4d2b4197774b6d8
5b5cc615e4d2b4197774b6d8- 1It uses the public switched telephone network.false
- 2Skype is an example of VoIP software.true
- 3It uses a slow speed dial-up connection.false
- 4All of the abovefalse
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Answer : 2. "Skype is an example of VoIP software."
Explanation :
Answer: B) Skype is an example of VoIP software. Explanation: VOIP is an acronym for Voice Over Internet Protocol, or in more common terms phone service over the Internet. Voice over Internet Protocol is a category of hardware and software that enables people to use the Internet as the transmission medium for telephone calls by sending voice data in packets using IP rather than by traditional circuit transmissions of the PSTN.
Q: Careful is to Cautious as Boastful is to 3103 05b5cc6ade4d2b4197774d0e9
5b5cc6ade4d2b4197774d0e9- 1Surprisinglyfalse
- 2Happilyfalse
- 3Arroganttrue
- 4Humblefalse
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Answer : 3. "Arrogant"
Explanation :
Answer: C) Arrogant Explanation: Here the given words Careful and Cautious are related in such a way that they are Synonyms of each other. Therefore, Similarly Boastful is synonym to the word Arrogant. Happily and Humble are Antonyms of Boastful and Surprisingly is the word not related to Boastful in any way. So, Careful is to Cautious as Boastful is to Arrogant.
Q: Durand Cup is associated with the game of 3100 05b5cc6aee4d2b4197774d16a
5b5cc6aee4d2b4197774d16a- 1Badmintonfalse
- 2Volleyballfalse
- 3Footballtrue
- 4Hockeyfalse
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Answer : 3. "Football"
Explanation :
Answer: C) Football Explanation: Durand Cup is associated with the game of Football. The Durand Football Tournament or Durand Cup is a football competition in India which was first held in 1888. It is co-hosted by the Durand Football Tournament Society (DFTS) and Osians All the matches are free-of-cost for spectators, and the winner gets ₹ 50 lakh. The Tournament is named after its founder, Sir Mortimer Durand from Simla.
Q: A rectangular block has the dimensions 5x6x7 cm it is dropped into a cylindrical vessel of radius 6cm and height 10 cm. If the level of the fluid in the cylinder rises by 4 cm, What portion of the block is immersed in the fluid ? 3092 05b5cc70ee4d2b4197774f337
5b5cc70ee4d2b4197774f337- 122/7 x 24/35true
- 222/7 x 36 x 4false
- 322/7 x 36/5false
- 422/7 x 37/21false
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Answer : 1. "22/7 x 24/35"
Explanation :
Answer: A) 22/7 x 24/35 Explanation: Since level of water increased in cylinder by height 4. This is because of the rectangular block . Therefore , area of rectangular block immersed in water is = 227×6×6×4 Thats why portion of block immersed in water is = (22/7 * 36 * 4) / total vol. of rectangle = (22/7 * 36 * 4)/ (7*5*6) = (22/7 * 24)/ 35.
Q: The average age of a couple and their son was 40 years, the son got married and a child was born just two years after their marriage. When child turned to 10 years, then the average age of the family becomes 38 years. What was the age of the daughter in law at the time of marriage ? 3087 05b5cc6c6e4d2b4197774de59
5b5cc6c6e4d2b4197774de59- 112 yearstrue
- 210 yearsfalse
- 314 yearsfalse
- 413 yearsfalse
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Answer : 1. "12 years"
Explanation :
Answer: A) 12 years Explanation: Given the average age of couple and their son = 40 => Sum of age (H +W +S) = 40×3 Let the age of daughter in law at the time of marriage = D years Now after 10 years, (H + S +W) + 3×12 + D +12 + 10 = 38×5 178 + D = 190 D = 190 -178 = 12 years

