CAT Practice Question and Answer
8Q: In a note collection, there is one new Rs.2000 note for every three old Rs.500 notes. 10 more new Rs.2000 notes are added to the collection and the ratio of new Rs.2000 notes to old Rs.500 notes would be 1: 2. Based on the information, the total number of notes in the collection now becomes? 1765 05b5cc777e4d2b41977750084
5b5cc777e4d2b41977750084- 160false
- 230false
- 370false
- 490true
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Answer : 4. "90"
Explanation :
Answer: D) 90 Explanation: Let 'x' be the number of new Rs.2000 notes. Given for one new 2000 note there are three old 500 notes. i.e, 3x Given 10 more new Rs.2000 notes are added to the collectionand the ratio of new Rs.2000 notes to old Rs.500 notes x+103x=12⇒x=20 Therefore, number of new Rs.2000 notes = x+10 = 30. old Rs.500 notes = 3x = 60. Thus, the total number of notes in the collection = 30 + 60 = 90.
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 ? 1764 05b5cc715e4d2b4197774f422
5b5cc715e4d2b4197774f422- 1Son-in-lawfalse
- 2Grand fatherfalse
- 3Father-in-lawtrue
- 4Brotherfalse
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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: What was the goal of the temperance movement? 1764 05b5cc622e4d2b4197774b7b5
5b5cc622e4d2b4197774b7b5- 1No alcoholtrue
- 2No tobaccofalse
- 3Both A & Bfalse
- 4None of the abovefalse
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Answer : 1. "No alcohol"
Explanation :
Answer: A) No alcohol Explanation: The temperance movement of the late nineteenth and early twentieth centuries was an exception in many ways: "Temperance" refers to the moderate consumption of alcoholic beverages. However, in the context of the temperance movement, the term usually indicated complete abstinence, which means drinking no alcohol at all. The goal of the temperance movement in the United States was to make the production and sale of alcohol illegal. Supporters believed that prohibiting alcohol would solve a number of society's problems, making people safer, healthier, and more productive.
Q: On which day ' National Science Day ' is celebrated in India ? 1764 05b5cc731e4d2b4197774f7c9
5b5cc731e4d2b4197774f7c9- 1February 23false
- 2February 25false
- 3February 26false
- 4February 28true
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Answer : 4. "February 28"
Explanation :
Answer: D) February 28 Explanation: National Science Day is celebrated in India on 28 February each year to mark the discovery of the Raman effect by Indian physicist Sir Chandrashekhara Venkata Raman on 28 February 1928.
Q: What is the oxidation number of sulfur in H2S? 1764 05b5cc645e4d2b4197774bb8b
5b5cc645e4d2b4197774bb8b- 12false
- 2-2true
- 31false
- 4-1false
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Answer : 2. "-2"
Explanation :
Answer: B) -2 Explanation: The sum of the oxidation numbers in a compound must equal zero. In the compound hydrogen sulfide, H2S, the two hydrogen atoms have an oxidation number of +1, for a total of +2. Therefore, the oxidation number of sulfur in the compound is -2, and the sum of the oxidation numbers is 0.
Q: How many steps are in the system development life cycle? 1763 05b5cc690e4d2b4197774c431
5b5cc690e4d2b4197774c431- 13false
- 24false
- 35false
- 46true
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Answer : 4. "6"
Explanation :
Answer: D) 6 Explanation: The process of System development life cycle goes through a series of stages in step wise fashion that almost every developing company follows. Known as the 'software development life cycle,' these six steps include: 1. Planning 2. Analysis 3. Design 4. Development & implementation 5.Testing & deployment and 6. Maintenance.
Q: The population of a city is 415600.It increased by 25% in the first year and decreased by 30% in the second year.What is the population of the city at the end of second year? 1763 05b5cc783e4d2b41977750224
5b5cc783e4d2b41977750224- Show AnswerHide Answer
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Answer :
Explanation :
As per given data, P = 415600, R1= 25% incresed, R2 = 30% decreased Population of the city at the end of the second year= 363650.
Q: A person in a bet 40 shots taken. 50p for a hit, 10p for a miss.(he have to give). Finally he has Rs.5. How many hits he have ? 1762 05b5cc718e4d2b4197774f47c
5b5cc718e4d2b4197774f47c- 115true
- 220false
- 325false
- 430false
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Answer : 1. "15"
Explanation :
Answer: A) 15 Explanation: Let number of hit shots be 'X'Let number of miss shots be 'Y'Given X + Y = 40....(1)50X - 10Y = 500.....(2)Solving 1 and 2, we getX = 15 and Y = 25Therefore, number of hits = 15

