CAT प्रश्न और उत्तर का अभ्यास करें
8प्र: In how many different ways can the letters of the word 'HAPPYHOLI' be arranged? 1459 05b5cc6a7e4d2b4197774ce0e
5b5cc6a7e4d2b4197774ce0e- 189,972false
- 290,720true
- 372,000false
- 481,000false
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उत्तर : 2. "90,720"
व्याख्या :
Answer: B) 90,720 Explanation: The given word HAPPYHOLI has 9 letters These 9 letters can e arranged in 9! ways. But here in the given word letters H & P are repeated twice each Therefore, Number of ways these 9 letters can be arranged is 9!2! x 2! = 9 x 8 x 7 x 6 x 5 x 4 x 32 = 90,720 ways.
प्र: Robert is traveling on his cycle and has calculated to reach point A at 2 p.m. if he travels at 10 km/hr; he will reach there at 12 noon if he travels at 15 km/hr. At what speed must he travel to reach A at 1 p.m. ? 1459 05b5cc6dae4d2b4197774e899
5b5cc6dae4d2b4197774e899- 120 kmphfalse
- 218 kmphfalse
- 312 kmphtrue
- 416 kmphfalse
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उत्तर : 3. "12 kmph"
व्याख्या :
Answer: C) 12 kmph Explanation: Let the distance traveled be x km.Then, x/10 - x/15 = 23x - 2x = 60 => x = 60 km.Time taken to travel 60 km at 10 km/hr = 60/10 = 6 hrs.So, Robert started 6 hours before 2. p.m. i.e., at 8 a.m.Required speed = 60/5 = 12 kmph.
प्र: Which of the following is not a prime number? 1459 05b5cc655e4d2b4197774bd59
5b5cc655e4d2b4197774bd59- 15false
- 211false
- 321true
- 437false
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उत्तर : 3. "21"
व्याख्या :
Answer: C) 21 Explanation: A prime number is a whole number greater than 1 whose only factors are 1 and itself. Factors of 5 are 1, 5 Factors of 11 are 1, 11 Factors of 21 are 1, 3, 7, 21 Factors of 37 are 1, 37. Hence, according to the definition of a prime number, 21 is not a prime number as it has more than two factors.
प्र: How many periods in National Hockey League? 1459 05b5cc6b5e4d2b4197774d553
5b5cc6b5e4d2b4197774d553- 12false
- 23true
- 34false
- 45false
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उत्तर : 2. "3"
व्याख्या :
Answer: B) 3 Explanation: National Hockey League game is divide into 3 Periods each of 20 minutes. During the regular season, if the game ends in a tie, a 5 minute, sudden death overtime is played. In the playoffs, the overtime is 20 minutes long.
प्र: A train-A passes a stationary train B and a pole in 24 sec and 9 sec respectively. If the speed of train A is 48 kmph, what is the length of train B? 1459 05b5cc698e4d2b4197774c613
5b5cc698e4d2b4197774c613- 1200 mtstrue
- 2180 mtsfalse
- 3160 mtsfalse
- 4145 mtsfalse
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उत्तर : 1. "200 mts"
व्याख्या :
Answer: A) 200 mts Explanation: Length of train A = 48 x 9 x 5/18 = 120 mts Length of train B = 48 x 24 x 5/18 - 120 => 320 - 120 = 200 mts.
प्र: Which of the following is not a monosaccharide? 1459 05b5cc639e4d2b4197774ba5d
5b5cc639e4d2b4197774ba5d- 1Fructosefalse
- 2Glucosefalse
- 3Galactosefalse
- 4Sucrosetrue
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उत्तर : 4. "Sucrose"
व्याख्या :
Answer: D) Sucrose Explanation: Sucrose is not a monosaccharide. Monosaccharides are simple carbohydrates molecules that cannot be broken down into smaller molecules of other carbohydrates. Glucose, galactose and fructose are examples of Monosaccharides.
प्र: The headquarters of the International court of Justice is situated at _____ ? 1459 05b5cc6c3e4d2b4197774dc36
5b5cc6c3e4d2b4197774dc36- 1Swedenfalse
- 2Genevafalse
- 3Londonfalse
- 4Haguetrue
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उत्तर : 4. "Hague"
व्याख्या :
Answer: D) Hague Explanation: International court of Justice (ICJ) is the main judicial organ or branch of the United Nations, sometimes people call it the World Court. ICJ was established in the year 1945 and has its headquarters at The Hague, Netherlands.
प्र: Anu's present age is 9 years more than that of what Raj's age will be after five years. Raj's present age is seven years more than that of what Renu's age was 4 years ago. Renu's present age is 19 years. What will be Anu's age after 5 years ? 1459 05b5cc6cae4d2b4197774dfd4
5b5cc6cae4d2b4197774dfd4- 139 yrsfalse
- 236 yrsfalse
- 346 yrsfalse
- 441 yrstrue
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उत्तर : 4. "41 yrs"
व्याख्या :
Answer: D) 41 yrs Explanation: Anu = (Raj + 5) + 9 = Raj + 14 -------- (I) Raj = (Renu - 4) + 7 = Renu + 3 ------- (II) Raj's age = 19 + 3 = 22 years After 5 years Anu's age = 22 + 14 + 5 = 41 years

