Aptitude Question Practice Question and Answer

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Answer : 3. "7:18"
Explanation :

Let total number of person is=100
married person=28
unmarried person will be 100-28=72
The ratio will be 28/72=7/18


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Answer : 4. "8:3"
Explanation :

Answer: D) 8:3 Explanation: Let the speed of the boat upstream be p kmph and that of downstream be q kmph   Time for upstream = 8 hrs 48 min = 845hrs   Time for downstream = 4 hrs   Distance in both the cases is same.   => p x  845= q x 4   => 44p/5 = 4q   => q = 11p/5    Now, the required ratio of Speed of boat : Speed of water current   = q+p2:q-p2   => (11p/5 + p)/2  : (11p/5 - p)/2   => 8 : 3

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Answer : 3. "35"

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Answer : 1. "20%"
Explanation :

Answer: A) 20% स्पष्टीकरण: अंग्रेजी में उत्तीर्ण छात्रों का प्रतिशत = 60% हिंदी में उत्तीर्ण छात्रों का प्रतिशत = 45% दोनों विषयों में उत्तीर्ण छात्रों का प्रतिशत = 25% एटीक्यू, केवल अंग्रेजी में उत्तीर्ण छात्रों का प्रतिशत = 60 - 25 = 35% का प्रतिशत विद्यार्थी केवल हिंदी में उत्तीर्ण हुए = 45 - 25 = 20% इसलिए, अनुत्तीर्ण छात्रों का प्रतिशत = 100 - (35 + 25 + 20) = 100 - 80 = 20%।

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Answer : 3. "32 mts"
Explanation :

उत्तर: C) 32 mts स्पष्टीकरण: 'b' को पुल से पुल के अंत तक गाय की लंबाई और पुल से ट्रेन की दूरी 'a' होने दें। 'x' गाय की गति => '4x' ट्रेन की गति पुल की कुल लंबाई 2b + 10. (a-2) / 4x = b / x => a-2 = 4b ....... । (1) अब अगर यह विपरीत दिशा में चला था (a + 2b + 10-2) / 4x = (b + 10-2) / x => a - 2b = 24 ...... (2) हल (1) और (2) बी = 11, इसलिए पुल की लंबाई 2 x 11 + 10 = 32 मीटर है।

Q: How many 3-letter words with or without meaning, can be formed out of the letters of the word, 'LOGARITHMS', if repetition of letters is not allowed? 1274 0

  • 1
    220
    Correct
    Wrong
  • 2
    520
    Correct
    Wrong
  • 3
    720
    Correct
    Wrong
  • 4
    450
    Correct
    Wrong
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Answer : 3. "720"

Q: In how many different ways can the letters of the word 'RUMOUR' be arranged? 1821 0

  • 1
    240
    Correct
    Wrong
  • 2
    160
    Correct
    Wrong
  • 3
    300
    Correct
    Wrong
  • 4
    180
    Correct
    Wrong
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Answer : 4. "180"

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Answer : 4. "10 वर्ष"

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