Aptitude Question Practice Question and Answer

Q: How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9, which are divisible by 5 and none of the digits is repeated? 1610 0

  • 1
    35
    Correct
    Wrong
  • 2
    15
    Correct
    Wrong
  • 3
    20
    Correct
    Wrong
  • 4
    25
    Correct
    Wrong
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Answer : 3. "20"

Q: From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least 3 men are there on the committee. In how many ways can it be done? 1343 0

  • 1
    756
    Correct
    Wrong
  • 2
    465
    Correct
    Wrong
  • 3
    546
    Correct
    Wrong
  • 4
    835
    Correct
    Wrong
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Answer : 1. "756"

Q: In how many different ways can the letters of the word 'CORPORATION' be arranged so that the vowels always come together? 1430 0

  • 1
    51400
    Correct
    Wrong
  • 2
    50400
    Correct
    Wrong
  • 3
    49500
    Correct
    Wrong
  • 4
    43620
    Correct
    Wrong
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Answer : 2. "50400"

Q: A box contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the box, if at least one black ball is to be included in the draw? 1689 0

  • 1
    32
    Correct
    Wrong
  • 2
    48
    Correct
    Wrong
  • 3
    96
    Correct
    Wrong
  • 4
    64
    Correct
    Wrong
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Answer : 4. "64"

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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? 1819 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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