CAT प्रश्न और उत्तर का अभ्यास करें
8प्र: What is the probability that a leap year has 53 Saturdays and 52 Sundays ? 2049 05b5cc6dfe4d2b4197774eada
5b5cc6dfe4d2b4197774eada- 11/7true
- 22/7false
- 31/2false
- 43/2false
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उत्तर : 1. "1/7"
व्याख्या :
Answer: A) 1/7 Explanation: A leap year has 52 weeks and two daysTotal number of cases = 7Number of favourable cases = 1i.e., {Friday, Saturday} Required Probability = 1/7
प्र: A and B started a business investing the money in ratio 4:6, after 6 months B withdraw his investment and C joins him with twice the amount of B. At the end of the year total profit is Rs.3315. Find share of C ? 2048 05b5cc6c5e4d2b4197774ddd7
5b5cc6c5e4d2b4197774ddd7- 1Rs. 450false
- 2Rs. 1020false
- 3Rs. 765false
- 4Rs. 1530true
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उत्तर : 4. "Rs. 1530"
व्याख्या :
Answer: D) Rs. 1530 Explanation: Ratio of investments of A, B & C => Share of C = 1530 Share of B = 765 Share of A = 1020
प्र: I can Honk without using a Horn. Who am I? 2047 05b5cc6abe4d2b4197774cf9e
5b5cc6abe4d2b4197774cf9e- 1Goosetrue
- 2Cranefalse
- 3Penguinfalse
- 4Hummingfalse
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उत्तर : 1. "Goose"
व्याख्या :
Answer: A) Goose Explanation: Goose can Honk without using a Horn. Geese are waterfowl of the family Anatidae.
प्र: There are 10 Letters and 10 correspondingly 10 different Address. If the letter are put into envelope randomly, then find the Probability that Exactly 9 letters will at the Correct Address ? 2047 05b5cc705e4d2b4197774f1ee
5b5cc705e4d2b4197774f1ee- 11/10false
- 21/9false
- 31false
- 40true
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उत्तर : 4. "0"
व्याख्या :
Answer: D) 0 Explanation: As we know we have 10 letter and 10 different address and one more information given that exactly 9 letter will at the correct address....so the remaining one letter automatically reach to their correct address P(E) = favorable outcomes /total outcomesHere favorable outcomes are '0'.So probability is '0'.
प्र: 88%of 370 +24% of 210-x =118 find x 2047 05b5cc6c4e4d2b4197774dcf0
5b5cc6c4e4d2b4197774dcf0- उत्तर देखेंउत्तर छिपाएं
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उत्तर :
व्याख्या :
From the given equation, 88x370/100 + 24x210/100 - 118 = x => x = 325.6 + 50.4 - 118 x = 258.
प्र: A water tank in a village is normally filled in 8 hours but takes 2 hours longer to fill because of a leak in its bottom. If the tank is full, in how many hrs will the leak empty it ? 2046 05b5cc6b2e4d2b4197774d3c3
5b5cc6b2e4d2b4197774d3c3- 134 hrsfalse
- 236 hrsfalse
- 338 hrsfalse
- 440 hrstrue
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उत्तर : 4. "40 hrs"
व्याख्या :
Answer: D) 40 hrs Explanation: The time taken by the leak to empty the tank = 18 - 110 = 5 - 440 = 140 Therefore, the leak empties the tank in 40 hours.
प्र: Who became the fastest bowler to get to 250 wickets in the test matches ? 2046 05b5cc74fe4d2b4197774fb08
5b5cc74fe4d2b4197774fb08- 1K. Rabadafalse
- 2R. Ashwintrue
- 3T G Southeefalse
- 4Jadejafalse
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उत्तर : 2. "R. Ashwin"
व्याख्या :
Answer: B) R. Ashwin Explanation: Indian Cricket team off-spin specialist Ravichandran Ashwin has become the fastest cricketer to take 250 wickets in the Test matches. Ashwin surpassed Australian fast bowler Dennis Keith Lillee to reach the milestone of 250 Test wicket. Thus Ravichandran Ashwin has become the sixth Indian bowler to reach 250 test wickets.
प्र: Which of the following Valleys is known as "Paradise of Earth" ? 2045 05b5cc6d5e4d2b4197774e5ed
5b5cc6d5e4d2b4197774e5ed- 1Kullu Valleyfalse
- 2Doon Valleyfalse
- 3Kangra Valleyfalse
- 4Kashmir Valleytrue
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उत्तर : 4. "Kashmir Valley"
व्याख्या :
Answer: D) Kashmir Valley Explanation: