CAT Practice Question and Answer
8Q: 12% of 70,000 is 2105 05b5cc622e4d2b4197774b7df
5b5cc622e4d2b4197774b7df- 18400true
- 27200false
- 36000false
- 45600false
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Answer : 1. "8400"
Explanation :
Answer: A) 8400 Explanation: 12% of 70,000 => 12 x 70,000/100 => 8400 Hence, 12% of 70,000 = 8,400
Q: A girl introduced a boy as the son of the daughter of the father of her uncle. The boy is girl's ? 2104 05b5cc6f4e4d2b4197774efdc
5b5cc6f4e4d2b4197774efdc- 1Sonfalse
- 2Brothertrue
- 3Cousinfalse
- 4Nephewfalse
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Answer : 2. "Brother"
Explanation :
Answer: B) Brother Explanation: Brother Justification: Daughter of uncle's father -- Uncle's sister -- Mother; Mother's son -- Brother.
Q: The payment per hour for a daily-wages employee is increased by 33.33 and the working time is reduced by 33.33%. What is the percentage change in the employee's income ? 2103 05b5cc73de4d2b4197774f934
5b5cc73de4d2b4197774f934- 111.11% decreasetrue
- 221.11% increasefalse
- 311.11% increasefalse
- 421.11% decreasefalse
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Answer : 1. "11.11% decrease"
Explanation :
Answer: A) 11.11% decrease Explanation: If earlier he is getting Rs. 1 per hr and working for 1 hr, income = Rs. 1Now he is getting Rs 1.3333 per hr and working for 0.66667 hrs Then income for 0.66667 hrs = Rs. 0.8889. If payment per hr is increased by 33.33 % and working hours dereased by 33.33%, then 11.11 % decrease in income.
Q: Diversification is important in investing because 2103 05b5cc69ae4d2b4197774c764
5b5cc69ae4d2b4197774c764- 1It ensures that you only make low-risk investments.false
- 2It helps you to balance your risk across different types of investments.true
- 3It helps you gain the highest rate of return despite any risks.false
- 4It increases your overall risk, which guarantees that you will make more money.false
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Answer : 2. "It helps you to balance your risk across different types of investments."
Explanation :
Answer: B) It helps you to balance your risk across different types of investments. Explanation:
Q: A passenger train is moving at a speed of 120 km/hr. If the length of the train is 101 meters, how long will it take to cross a railway platform 154 meters long ? 2103 05b5cc6d3e4d2b4197774e540
5b5cc6d3e4d2b4197774e540- 16.24 secfalse
- 26.58 secfalse
- 37.325 secfalse
- 47.65 sectrue
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Answer : 4. "7.65 sec"
Explanation :
Answer: D) 7.65 sec Explanation: Here total distance = 154 + 101 = 255 mtsGiven speed = 120 kmph = 120x5/18 m/secHence, Time = d/s = 255x18/120x5 = 7.65 sec
Q: 30% of 500 rupees is? 2102 05b5cc690e4d2b4197774c460
5b5cc690e4d2b4197774c460- 1Rs. 180false
- 2Rs. 150true
- 3Rs. 120false
- 4Rs. 240false
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Answer : 2. "Rs. 150"
Explanation :
Answer: B) Rs. 150 Explanation: Given 30% of 500 = 30100 x 500= 30 x 5= 150 Hence, 30% of Rs. 500 = Rs. 150.
Q: 12 boys decided to constribute Rs. 750 each to an Orphange. Suddenly few of them boys dropped out and consequently the rest had to pay Rs. 150 more. Then the number of boys who dropped out? 2102 05b5cc6b4e4d2b4197774d4a0
5b5cc6b4e4d2b4197774d4a0- 14false
- 26false
- 32true
- 43false
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Answer : 3. "2"
Explanation :
Answer: C) 2 Explanation: Total money decided to contribute = 750 x 12 = 9000 Let 'b' boys dropped The rest paid 150/- more => (12 - b) x 900 = 9000 => b = 2 Hence, the number of boys who dropped out is 2.
Q: Friction can be reduced by changing from 2102 05b5cc6b6e4d2b4197774d593
5b5cc6b6e4d2b4197774d593- 1Static to Dynamicfalse
- 2Rolling to Slidingfalse
- 3Dynamic to Staticfalse
- 4Sliding to Rollingtrue
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Answer : 4. "Sliding to Rolling"
Explanation :
Answer: D) Sliding to Rolling Explanation: Any object rolls when there is no friction. So, Sliding to Rolling is correct.