IIT JEE Practice Question and Answer

Q: What is the difference between the number of uneducated females in city P and that of uneducated males in city S ? 1401 0

  • 1
    9 lakhs
    Correct
    Wrong
  • 2
    6 lakhs
    Correct
    Wrong
  • 3
    3 lakhs
    Correct
    Wrong
  • 4
    2 lakhs
    Correct
    Wrong
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Answer : 1. "9 lakhs"
Explanation :

Answer: A) 9 lakhs Explanation: Educated females in city P = 25 lakhs Uneducated females in city P = 30 - 25 = 5 lakhs Educated males city S = 21 lakhs Educated males in city S = 35 - 21= 14 lakhs Required difference = 14 - 5 = 9 lakhs

Q: Who Discovered The Nucleus of a Cell? 1400 0

  • 1
    Otto Hahn
    Correct
    Wrong
  • 2
    John Dalton
    Correct
    Wrong
  • 3
    Robert Brown
    Correct
    Wrong
  • 4
    Marie Curie
    Correct
    Wrong
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Answer : 3. "Robert Brown"
Explanation :

Answer: C) Robert Brown Explanation: Robert Brown, Scottish botanist, Discovered The Nucleus of a Cell in 1831, London. When Brown was studying orchids under microscope when he observed an opaque area, which he called the "Areola" or "Nucleus", in the cells of the flower's outer layer. The nucleus was also described by Franz Bauer in 1804 but in detail Robert Brown made it in 1831.

Q: A number is 2 more than thrice the second number and 4 times the smaller number is 5 more than the greater number. What is greater number  ? 1399 0

  • 1
    7
    Correct
    Wrong
  • 2
    23
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    21
    Correct
    Wrong
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Answer : 2. "23"
Explanation :

Answer: B) 23 Explanation: Let the greater and smaller number be p and q respectively. 4q = p + 5 ------ (I) p = 3q+2 ------- (II) From equation (I) and (II) q = 7 p = 23

Q: Which state has ranked top among the states in the country in terms of manufacturing excellence in 2017 ? 1398 0

  • 1
    Telangana
    Correct
    Wrong
  • 2
    Tamilnadu
    Correct
    Wrong
  • 3
    Haryana
    Correct
    Wrong
  • 4
    Karnataka
    Correct
    Wrong
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Answer : 4. "Karnataka"
Explanation :

Answer: D) Karnataka Explanation: Southern state Karnataka has been ranked top among the states in the country in terms of manufacturing excellence, according to a study by apex industry body Assocham in 2017.

Q: Wilhelm I was declared kaiser of Germany in 1398 0

  • 1
    1797
    Correct
    Wrong
  • 2
    1841
    Correct
    Wrong
  • 3
    1871
    Correct
    Wrong
  • 4
    1914
    Correct
    Wrong
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Answer : 3. "1871"
Explanation :

Answer: C) 1871 Explanation: In Germany, Kaiser means 'Emperor'. On 18th January, 1871 Wilhelm I was declared as Kaiser of Germany.

Q: 3/4 divided by 2 is 1397 0

  • 1
    3/2
    Correct
    Wrong
  • 2
    2/3
    Correct
    Wrong
  • 3
    8/3
    Correct
    Wrong
  • 4
    3/8
    Correct
    Wrong
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Answer : 4. "3/8"
Explanation :

Answer: D) 3/8 Explanation: 3/4 divided by 2 = 3/4/2 = 3/4x2 = 3/8.   Hence, 3/4 divided by 2 is equal to 3/8.

Q: A sequence of natural number 2,3,5,6,10. Such that no square and no cube occurs in the term. Find the 300th term of sequence ? 1397 0

  • 1
    322
    Correct
    Wrong
  • 2
    319
    Correct
    Wrong
  • 3
    321
    Correct
    Wrong
  • 4
    320
    Correct
    Wrong
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Answer : 4. "320"
Explanation :

Answer: D) 320 Explanation: 1 to 300 = 300 numbers squares btwn 1 to 300 = 1,4,9,16,25,36,49.....289 i.e, total 17cubes = 1,8,27,64,125,216 i.e, 5 now 1 and 64 are common so total numbers that should be removed ( 17+5-2= 20 )total 20 term removed so 300th term would be 320

Q: Which among the following has ranked top Brand among Global 500 Brands in 2017 ? 1397 0

  • 1
    Apple
    Correct
    Wrong
  • 2
    Amazon
    Correct
    Wrong
  • 3
    Google
    Correct
    Wrong
  • 4
    Facebook
    Correct
    Wrong
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Answer : 3. "Google"
Explanation :

Answer: C) Google Explanation: 1. In the latest Global 500 rankings of most valuable and powerful brands across the globe, Sundar Pichai’s Google has surpassed Apple to achieve the top position.2. The Brand Finance Global 500 list published on February 2, 2017 had featured Apple as the top brand for continuous five years.3. However, for 2017, the ranking revealed that Google’s brand value rose by 24 percent to $109.5bn in 2016. The brand value of Apple on the other hand dropped 27 percent to $107bn.4. This is for the first time since 2011 that Google has been placed at the top spot. The third place has been occupied by Amazon.5. The ranking is based upon factors such as marketing investment, familiarity, loyalty, staff satisfaction and corporate reputation.

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