Quantitative Aptitude प्रश्न और उत्तर का अभ्यास करें
8प्र: Two persons start running simultaneously around a circular track of length 300 m from the same point at speeds of 15 km/hr and 25 km/hr. When will they meet for the first time any where on the track if they are moving in opposite directions ? 5254 05b5cc6e5e4d2b4197774ecf2
5b5cc6e5e4d2b4197774ecf2- 127 sectrue
- 231 secfalse
- 323 secfalse
- 429 secfalse
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उत्तर : 1. "27 sec"
व्याख्या :
Answer: A) 27 sec Explanation: Time taken to meet for the first time anywhere on the track = length of the track / relative speed = 300 / (15 + 25)5/18 = 300x 18 / 40 x 5 = 27 seconds.
प्र: The average weight of 45 passengers in a bus is 52 kg. 5 of them whose average weight is 48 kg leave the bus and other 5 passengers whose average weight is 54 kg join the bus at the same stop. What is the new average weight of the bus? 5244 05b5cc6abe4d2b4197774d06c
5b5cc6abe4d2b4197774d06c- 154.21 kgsfalse
- 251.07 kgsfalse
- 352.66 kgstrue
- 453.45 kgsfalse
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उत्तर : 3. "52.66 kgs"
व्याख्या :
Answer: C) 52.66 kgs Explanation: Given total number of passengers in the bus = 45 First average weight of 45 passengers = 52 kgs Average weight of 5 passengers who leave bus = 48 Average weight of 5 passengers who joined the bus = 54 Therefore, the net average weight of the bus is given by = 45 x 52 - 5 x 48 + 5 x 5445 = 237045= 1583= 52.66 kgs.
प्र: Hari Ram’s present age is three times his son’s present age and two fifth of his father’s present age. The average of the present age of all of them is 46 years. What is the difference between Hari Ram’s son’s present age and Hari Ram’s father’s present age? 5224 05b5cc6b7e4d2b4197774d5d8
5b5cc6b7e4d2b4197774d5d8- 144 yrsfalse
- 256 yrsfalse
- 367 yrsfalse
- 478 yrstrue
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उत्तर : 4. "78 yrs"
व्याख्या :
Answer: D) 78 yrs Explanation: Let Hari Ram's present age = x Then, his son's age = x/3 Father's age = 5x/2 x + x3 + 52x3 = 46=> x = 36 yrs Now the required difference = 52x36 - 363 = 78 yrs
प्र: Find the odd man out of the number series? 18, 37, 76, 155, 314, 635 5217 05b5cc6a5e4d2b4197774cce0
5b5cc6a5e4d2b4197774cce0- 137false
- 2155false
- 3314false
- 4635true
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उत्तर : 4. "635"
व्याख्या :
Answer: D) 635 Explanation: Given Number series is 18 37 76 155 314 635 follows a pattern that, 18 18 x 2 +1 = 37 37 x 2 +2 = 76 76 x 2 +3 = 155 155 x 2 +4 = 314 314 x 2 +5 = 633 not 635 Hence, the odd man is 635.
प्र: One-quarter of one-seventh of a land is sold for Rs. 30,000. What is the value of an four fifteenth of land ? 5213 05b5cc736e4d2b4197774f828
5b5cc736e4d2b4197774f828- 1Rs.1,92,000false
- 2Rs.2,24,000true
- 3Rs.1,26,000false
- 4Rs.3,42,000false
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उत्तर : 2. "Rs.2,24,000"
व्याख्या :
Answer: B) Rs.2,24,000 Explanation: One-quarter of one-seventh = 1/4 x 1/7= 1/28Now, 1/28 of a land costs = Rs. 30,000Thus, 8/35 of the land will cost = 30,000 x 28 x 4/15= Rs. 2,24,000.
प्र: एक दुकान ने अंकित मूल्य पर 8 प्रतिशत छुट देते हुए टी.वी सेट बेचा और 25 प्रतिशत लाभ कमाया। यदि अंकित मूल्य 20,000 रूपये था तो क्रय मूल्य क्या था? 5199 05d133cfcd2441c3c5ff90a40
5d133cfcd2441c3c5ff90a40- 113800 रूfalse
- 214720 रूtrue
- 314800रूfalse
- 413720 रूfalse
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उत्तर : 2. "14720 रू"
प्र: 7 9 19 18 31 29 Find the odd number in the given Number Series? 5169 05b5cc6b9e4d2b4197774d770
5b5cc6b9e4d2b4197774d770- 131false
- 229true
- 318false
- 419false
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उत्तर : 2. "29"
व्याख्या :
Answer: B) 29 Explanation: Here the given number series follows a pattern of two alternate series. 1. 7 19 31 ...(Difference of 12) 2. 9 18 27 ...(Difference of 9) Here the odd number is 29 instead of 27 And the next number is 31 + 12 = 43 & 27 + 9 = 36
प्र: यदि ( - ):( + )=12:19, है तो a:b=___ 5146 35d1b1f6f1fc62311c773688d
5d1b1f6f1fc62311c773688d- 12:3false
- 21:2false
- 33:2true
- 42:1false
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