Quantitative Aptitude प्रश्न और उत्तर का अभ्यास करें
8प्र: एक दुकानदार रूपये में 5 के भाव से नारंगी बेचा और उसे 20 प्रतिशत का लाभ प्राप्त हुआ। वह रूपये में किस भाव से नांरगी खरीदा था? 4040 05d1338f2d2441c3c5ff90a35
5d1338f2d2441c3c5ff90a35- 13false
- 27false
- 34false
- 46true
- उत्तर देखें
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उत्तर : 4. "6"
प्र: Raju got married 8years ago. His present age is 6/5 times his age at the time of his marriage Raju's sister was 10years younger to him at the time of his marriage. The present age of Raju's sister is ? 4018 05b5cc6e2e4d2b4197774ec61
5b5cc6e2e4d2b4197774ec61- 130false
- 232false
- 338true
- 4Nonefalse
- उत्तर देखें
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- SingleChoice
उत्तर : 3. "38"
व्याख्या :
Answer: C) 38 Explanation: Let Raju's age at the time of his marriage = X years Then from given data => X + 8 = 6/5 X X = 40. Since got married 8 years ago, his present age = 48 His sister is 10 years younger => 48 - 10 = 38 years.
प्र: श्याम, नरेश की अपेक्षा तीन गुना तेजी से काम करता है। यदि दोनों किसी काम को 32 दिन में समाप्त करते हैं, तो नरेश उस काम को कितने दिन में समाप्त करेगा? 4000 05d148adc9aeb0a08f1e6745f
5d148adc9aeb0a08f1e6745f- 1120false
- 2128true
- 3124false
- 4144false
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उत्तर : 2. "128"
प्र: Two trains of equal length, running with the speeds of 60 and 40 kmph, take 50 seconds to cross each other while they are running in the same direction. What time will they take to cross each other if they are running in opposite directions ? 3998 05b5cc6e5e4d2b4197774ed06
5b5cc6e5e4d2b4197774ed06- 110 sectrue
- 211 secfalse
- 312 secfalse
- 48 secfalse
- उत्तर देखें
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उत्तर : 1. "10 sec"
व्याख्या :
Answer: A) 10 sec Explanation: Relative Speed = 60 -40 = 20 x 5/18 = 100/18 Time = 50 Distance = 50 x 100/18 = 2500/9 Relative Speed = 60 + 40 = 100 x 5/18 Time = 2500/9 x 18/500 = 10 sec.
प्र: निम्नलिखित संख्या श्रृंखला में प्रश्न चिह्न (?) के स्थान पर क्या आना चाहिए?
1, 5, 13 , 29 ,? , 125 , 253
3995 25d4a9746822faf1e4e7fd7b6
5d4a9746822faf1e4e7fd7b6- 183false
- 269false
- 361true
- 465false
- 581false
- उत्तर देखें
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उत्तर : 3. "61"
व्याख्या :
undefined
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 ? 3994 05b5cc6dfe4d2b4197774eab7
5b5cc6dfe4d2b4197774eab7- 13 km/hrfalse
- 24 km/hrtrue
- 35 km/hrfalse
- 46 km/hrfalse
- उत्तर देखें
- Workspace
- SingleChoice
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: रतन एक काम को
5d147c239aeb0a08f1e67215- 1true
- 2false
- 3false
- 4false
- उत्तर देखें
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उत्तर : 1. "
प्र: A company requires 12,100 strength. Present employees are 400 ladies and 6400 gents. To reach the target how many ladies required to maintain the same ratio ? 3973 05b5cc741e4d2b4197774f99f
5b5cc741e4d2b4197774f99f- 1400false
- 2600false
- 3900true
- 4700false
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उत्तर : 3. "900"
व्याख्या :
Answer: C) 900 Explanation: 6,400 gents, 2400 ladies in that company.So total 8,800employees.for 8,800 employees, we want 2400 ladies.for 12,100employees we want how many ladies ?=> (12,100/8,800) x 2400 = 3300.So we want 3300 - 2400 = 900 more ladies.