CAT प्रश्न और उत्तर का अभ्यास करें
8प्र: A sum of money becomes 7/6 of itself in 3 years at a certain rate of simple interest. The rate per annum is ? 2050 05b5cc6dfe4d2b4197774eacb
5b5cc6dfe4d2b4197774eacb- 145/7 %false
- 250/9 %true
- 351/7 %false
- 447/ 9 %false
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उत्तर : 2. "50/9 %"
व्याख्या :
Answer: B) 50/9 % Explanation: Let sum = S. Then, amount = 7S/6 S.I. = 7S/6 - S = S/6; Time = 3 years. Rate = (100 x S) / (S x 6 x 3) = 5 5/9 = 50/9 %.
प्र: On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is ? 1462 05b5cc6dfe4d2b4197774eac6
5b5cc6dfe4d2b4197774eac6- 1476190476false
- 248617false
- 347619true
- 44587962false
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उत्तर : 3. "47619"
व्याख्या :
Answer: C) 47619 Explanation: By hit and trail, we find that 47619 x 7 = 333333. 7) 333333 (47619 333333---------------- 0 And 476190476 x 7 = 3333333333 but smallest number is 47619.
प्र: Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively and they cross each other in 23 seconds. The ratio of their speeds is ? 1371 05b5cc6dfe4d2b4197774eac1
5b5cc6dfe4d2b4197774eac1- 11 : 2false
- 23 : 1false
- 34 : 7false
- 43 : 2true
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उत्तर : 4. "3 : 2"
व्याख्या :
Answer: D) 3 : 2 Explanation: Let the speeds of the two trains be x m/sec and y m/sec respectively. Then, length of the first train = 27 x meters, and length of the second train = 17 y meters. (27 x + 17 y) / (x + y) = 23 => 27 x + 17 y = 23 x + 23 y => 4 x = 6 y => x/y = 3/2.
प्र: Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is ? 1707 05b5cc6dfe4d2b4197774eabc
5b5cc6dfe4d2b4197774eabc- 15true
- 24false
- 37false
- 46false
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उत्तर : 1. "5"
व्याख्या :
Answer: A) 5 Explanation: Let the number be x. Then, 3x2 - 4x = x + 50 3x2- 5x - 50 = 0 (3x + 10)(x - 5) = 0 x = 5
प्र: The 112-feet tall bust of ‘Adiyogi’ Lord Shiva at the Isha Yoga Foundation in ___________ has been declared the world’s largest bust by the Guinness Book of World Records. 1678 05b5cc6dfe4d2b4197774eab2
5b5cc6dfe4d2b4197774eab2- 1Telanganafalse
- 2Andhra Pradeshfalse
- 3Haryanafalse
- 4Tamil Nadutrue
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उत्तर : 4. "Tamil Nadu"
व्याख्या :
Answer: D) Tamil Nadu Explanation: The 112-feet tall bust of ‘Adiyogi’ Lord Shiva at the Isha Yoga Foundation has been declared the world’s largest bust by the Guinness Book of World Records. The Guinness had announced this on its website. The bust at the Isha Yoga Foundation on the outskirts of Coimbatore, Tamil Nadu was unveiled by Prime Minister Narendra Modi on 24 February.
प्र: P is faster than Q. P and Q each walk 24 km. The sum of their speeds is 7 km/hr and the sum of times taken by them is 14 hours. Then, P's speed is equal to ? 4215 05b5cc6dfe4d2b4197774eab7
5b5cc6dfe4d2b4197774eab7- 13 km/hrfalse
- 24 km/hrtrue
- 35 km/hrfalse
- 46 km/hrfalse
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उत्तर : 2. "4 km/hr"
व्याख्या :
Answer: B) 4 km/hr Explanation: Let P's speed = x km/hr. Then, Q's speed = (7 - x) km/ hr. So, 24/x + 24/(7 - x) = 14 x2 - 98x + 168 = 0 (x - 3)(x - 4) = 0 => x = 3 or 4. Since, P is faster than Q, so P's speed = 4 km/hr and Q's speed = 3 km/hr.
प्र: Which team became the first team in history to win 100 T20 matches ? 5351 05b5cc6dee4d2b4197774eaa8
5b5cc6dee4d2b4197774eaa8- 1Sunrisers Hyderabadfalse
- 2Bangalore Royal Challengersfalse
- 3Kolkata Knight Ridersfalse
- 4Mumbai Indianstrue
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उत्तर : 4. "Mumbai Indians"
व्याख्या :
Answer: D) Mumbai Indians Explanation: Two times IPL champions Mumbai Indians (MI) reached a new milestone as they became the first team in history to win 100 T20 matches. The Mumbai outfit defeated Kolkata Knight Riders (KKR) at the Eden Gardens by 9 runs in their final match of the league stage of IPL 2017.
प्र: India’s first contactless business credit card has been launched by __________in association with Jet Airways, India premier international airline. 1485 05b5cc6dee4d2b4197774eaad
5b5cc6dee4d2b4197774eaad- 1Axis Bankfalse
- 2ICICI Banktrue
- 3HDFC Bankfalse
- 4YES Bankfalse
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उत्तर : 2. "ICICI Bank"
व्याख्या :
Answer: B) ICICI Bank Explanation: India’s first contactless business credit card has been launched by ICICI bank in association with Jet Airways, India premier international airline, for Small and Mid-sized Enterprises (SMEs) and their employees. The card has been christened as the ‘Jet Airways ICICI Bank Business Advantage Card’, which helps customers to save on their business expenses. The card is powered by the ‘VISA payWave’ contactless technology that enables the cardholder to make payments by simply tapping the card at contactless enabled terminals in more than 48 countries, including India. The card can also be used by dipping or swiping at non-contactless merchants.