CAT प्रश्न और उत्तर का अभ्यास करें
8प्र: P is 30% more efficient than Q. How much time will they, working together, take to complete a job which P alone could have done in 23 days? 1498 05b5cc6bde4d2b4197774d910
5b5cc6bde4d2b4197774d910- 116 daysfalse
- 213 daystrue
- 315 daysfalse
- 412 daysfalse
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 2. "13 days"
व्याख्या :
Answer: B) 13 days Explanation: Ratio of times taken by P & Q = 100 : 130 = 10:13 Let Q takes x days to do the work Then, 10:13 :: 23:x => x = 23x13/10 => x = 299/10 P's 1 day's work = 1/23 Q's 1 day's work = 10/299 (P+Q)'s 1 day's work = (1/23 + 10/299) = 23/299 = 1/13 Hence, P & Q together can complete the work in 13 days.
प्र: The Global Entrepreneurship Summit (GES) 2017 was in ______? 1419 05b5cc6bde4d2b4197774d901
5b5cc6bde4d2b4197774d901- 1Spainfalse
- 2Hyderabadtrue
- 3Newyorkfalse
- 4Beijingfalse
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उत्तर : 2. "Hyderabad"
व्याख्या :
Answer: B) Hyderabad Explanation: The United States of America and the Republic of India are proud to announce the 8th annual Global Entrepreneurship Summit (GES) in Hyderabad, India on 28-30 November, 2017. This year's Summit will highlight the theme Women First, Prosperity for All, and will focus on supporting women entrepreneurs and fostering economic growth globally. Advisor to the President Ivanka Trump will headline the United States delegation to the Summit. GES is the preeminent annual entrepreneurship gathering that convenes emerging entrepreneurs, investors and supporters from around the world. GES 2017 will create an environment that empowers innovators, particularly women, to take their ideas to the next level. Through two and a half days of networking, mentoring, and workshops, GES empowers entrepreneurs to pitch their ideas, build partnerships, secure funding, innovate, and find their target customers --- creating new goods and services that will transform societies.
प्र: Which of the following Rivers has no Bridges built over it? 1785 05b5cc6bde4d2b4197774d906
5b5cc6bde4d2b4197774d906- 1Nilefalse
- 2Congo riverfalse
- 3Amazon rivertrue
- 4Yellow riverfalse
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उत्तर : 3. "Amazon river"
व्याख्या :
Answer: C) Amazon river Explanation: There are No bridges over The Amazon River. The Amazon River, in South America, is the largest river by discharge volume of water in the world and the second longest in length after The Nile in Egypt.
प्र: Which of the following animals have teeth in their stomach? 2279 05b5cc6bde4d2b4197774d8f7
5b5cc6bde4d2b4197774d8f7- 1Frogsfalse
- 2Crabstrue
- 3Snakesfalse
- 4Cockroachfalse
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 2. "Crabs"
व्याख्या :
Answer: B) Crabs Explanation:
प्र: In one hour, a boat goes 12 km/hr along the stream and 6 km/hr against the stream. The speed of the boat in still water (in km/hr) is: 4454 05b5cc6bde4d2b4197774d8fc
5b5cc6bde4d2b4197774d8fc- 19true
- 28false
- 37false
- 47.5false
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उत्तर : 1. "9"
व्याख्या :
Answer: A) 9 Explanation: Speed in still water = Average of Speed in Upstream and speed in Downstream = 1/2 (12 + 6) kmph = 9 kmph.
प्र: Who among the following introduced the subsidiary alliance system in India? 1772 05b5cc6bde4d2b4197774d8ed
5b5cc6bde4d2b4197774d8ed- 1Lord Cunninghamfalse
- 2Lord Clivfalse
- 3Lord Wellesleytrue
- 4Lord Canningfalse
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उत्तर : 3. "Lord Wellesley"
व्याख्या :
Answer: C) Lord Wellesley Explanation: The doctrine of the subsidiary alliance was introduced by Lord Wellesley, British Governor-General of India from 1798 to 1805. The Nizam of Hyderabad was the first to enter into such an alliance in 1798. Tipu Sultan of Mysore refused to do so, but after the British victory in the Fourth Anglo-Mysore War, Mysore was forced to become a subsidiary state in 1799. The Nawab of Awadh was the next to accept the Subsidiary Alliance, in 1801.
प्र: Directions: A string of words is fed into a computing machine. It processes the input and gives an output in the following manner: Input: Honesty is the best policy. Step 1: is Honesty the best policy Step 2: is the Honesty best policy Step 3: is the best Honesty policy Step 4: is the best policy Honesty Output: is the best policy Honesty Now, If the input is "A rolling stone gathers no moss", what will be the fifth word in the string after 4 steps? 3099 05b5cc6bde4d2b4197774d8f2
5b5cc6bde4d2b4197774d8f2- 1Mossfalse
- 2Nofalse
- 3Stonefalse
- 4Atrue
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उत्तर : 4. "A"
व्याख्या :
Answer: D) A Explanation: For the input "A rolling stone gathers no moss", the steps followed are: Step 1: rolling A stone gathers no moss Step 2: rolling stone A gathers no moss Step 3: rolling stone gathers A no moss Step 4: rolling stone gathers no A moss After 4 steps the fifth word is "A".
प्र: The milk and water in two vessels A and B are in the ratio 4:3 and 2:3 respectively. In what ratio the liquids in both the vessels be mixed to obtain a new mixture in vessel c consisting half milk and half water? 1706 05b5cc6bde4d2b4197774d8e8
5b5cc6bde4d2b4197774d8e8- 18:3false
- 26:7false
- 37:5true
- 411:7false
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उत्तर : 3. "7:5"
व्याख्या :
Answer: C) 7:5 Explanation: Milk in 1-litre mixture of A = 4/7 litre. Milk in 1-litre mixture of B = 2/5 litre. Milk in 1-litre mixture of C = 1/2 litre. By rule of alligation we have required ratio X:Y X : Y 4/7 2/5 \ / (Mean ratio) (1/2) / \ (1/2 – 2/5) : (4/7 – 1/2) 1/10 1/1 4 So Required ratio = X : Y = 1/10 : 1/14 = 7:5

