IIT JEE Practice Question and Answer

Q: Find the next number in the series   143 143 136 110 ? 3678 0

  • 1
    91
    Correct
    Wrong
  • 2
    35
    Correct
    Wrong
  • 3
    47
    Correct
    Wrong
  • 4
    69
    Correct
    Wrong
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Answer : 3. "47"
Explanation :

Answer: C) 47 Explanation: The next number in the series is 143 143 136 110       0    7      26 (Differences)  13 - 1 , 23 - 1, 33 - 1, 43 - 1,...Now the next number is given by110 - (43 - 1) = 110 - 63 = 47.

Q: Joel introduces Mary as the daughter of the only son of my father’s wife. How is Joel related to Mary ? 3678 0

  • 1
    Daughter
    Correct
    Wrong
  • 2
    Brother
    Correct
    Wrong
  • 3
    Son
    Correct
    Wrong
  • 4
    Father
    Correct
    Wrong
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Answer : 4. "Father"
Explanation :

Answer: D) Father Explanation: Resolving from the last , In the view of joel,My father’s wife – motherOnly son of mother – himself i.e. joelDaughter of john– daughter. So Joel is Father of Mary.

Q: The wealthiest citizens of ancient rome were 3678 0

  • 1
    patricians
    Correct
    Wrong
  • 2
    laborers
    Correct
    Wrong
  • 3
    farmers
    Correct
    Wrong
  • 4
    plebeians
    Correct
    Wrong
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Answer : 1. "patricians"
Explanation :

Answer: A) patricians Explanation:

Q: Bijapur is known for its what? 3677 0

  • 1
    Statue of Gomateshwara
    Correct
    Wrong
  • 2
    Heavy rainfall
    Correct
    Wrong
  • 3
    Gol Gumbaz
    Correct
    Wrong
  • 4
    Severe Drought area
    Correct
    Wrong
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Answer : 3. "Gol Gumbaz"
Explanation :

Answer: C) Gol Gumbaz Explanation: Bijapur is known for its Gol Gumbaz. Bijapur city is well known for its historical monuments of architectural importance built during the rule of the Adil Shahi dynasty.   What is Gol Gumbaz ::   1. It is the tomb of Mohammed Adil Shah. This is the most famous monument in Bijapur.  2. It is the largest dome ever built in India. 3. A particular attraction in this monument is the central chamber, where every sound is echoed seven times. 4. Another attraction at the Gol Gumbaz is the Whispering Gallery, where even minute sounds can be heard clearly 37 metres away.   Statue of Gomateshwara - Shravanabelagola in Karnataka.   Heavy Rainfall - Cherrapunji in Meghalaya.

Q: Mother’s age today is thrice as her daughter’s. After 10 years it would be just double. How old is the daughter today ? 3664 0

  • 1
    8 years
    Correct
    Wrong
  • 2
    9 years
    Correct
    Wrong
  • 3
    10 years
    Correct
    Wrong
  • 4
    11 years
    Correct
    Wrong
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Answer : 3. "10 years"
Explanation :

Answer: C) 10 years Explanation: Let the age of the daughter today be ‘x’ years. Mother’s age today = 3x years After 10 years, we have 3x + 10 = 2(x + 10) x = 10 years.

Q: What is 90 days from today?   Hints : Today is 20th January 2017, Sunday 3663 0

  • 1
    18th April, Friday
    Correct
    Wrong
  • 2
    20th April, Saturday
    Correct
    Wrong
  • 3
    21th April, Sunday
    Correct
    Wrong
  • 4
    19th April, Saturday
    Correct
    Wrong
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Answer : 2. "20th April, Saturday"
Explanation :

Answer: B) 20th April, Saturday Explanation: Given Today is 20th January 2017, Sunday In january, we have 31 days February - 28 days (Non leap year) March - 31 days April - 30 days => Remaining days => 31 - 20 = 11 in Jan + 28 in Feb + 31 in Mar = 11 + 28 + 31 = 70 days More 20 days to complete 90 days => upto 20th April   Therefore, after 90 days from today i.e, 20th Jan 2017 is 20th Apr 2017.   Now, the day of the week will be  90/7 => Remainder '6' As the day starts with '0' on sunday  6 => Saturday.   Required day is 20th April, Saturday.

Q: Ratio of the ages of Mahesh and Nilesh is 5 : x. Mahesh is 18 years younger to Ramesh. After nine years Ramesh will be 47 years old. If the difference between the ages of Mahesh and Nilesh is same as the age of Ramesh, what is the value of x ? 3662 0

  • 1
    11.8
    Correct
    Wrong
  • 2
    12.9
    Correct
    Wrong
  • 3
    13.7
    Correct
    Wrong
  • 4
    14.5
    Correct
    Wrong
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Answer : 4. "14.5"
Explanation :

Answer: D) 14.5 Explanation: Let the present ages of Mahesh, Nilesh and Ramesh be k, l and m respectively.k/l = 5/x ------ (1)k = m - 18 ------ (2)m + 9 = 47 ------ (3)k - l = m ----- (4)(3) => m = 47 - 9 = 38 years(2) => k = 38 -18 = 20 years(1) => 20/l = 5/x => l = 4x(4) => 4x - 20 = 38=> 4x = 58 => x = 14.5

Q: Chipko movement was basically against 3660 0

  • 1
    Cultural pollution
    Correct
    Wrong
  • 2
    Deforestation
    Correct
    Wrong
  • 3
    Water pollution
    Correct
    Wrong
  • 4
    Noise pollution
    Correct
    Wrong
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Answer : 2. "Deforestation"
Explanation :

Answer: B) Deforestation Explanation: The Chipko movement or Chipko Andolan refers to a forest conservation movement or deforestation. In modern india, it began in 1973 in the state of Uttar Pradesh (now Uttarakhand). Sunderlal Bahuguna and 84 villagers risked their lives to protect the forest trees from being felled on the order of the maharaja (king) and went on to become a rallying point for many future environmental movements all over the world it created a precedent for starting of nonviolent protest in India, and its success meant that the world immediately took notice of this non violent movement, which was to inspire in time many such eco-groups by helping to slow down the rapid deforestation, expose vested interests, increase ecological awareness, and demonstrate the viability of people power. Above all, it stirred up the existing civil society in India, which began to address the issues of tribal and marginalized people.   Chipko type movement dates back to 1730 AD when in a khejarli village of Rajasthan, 363 people sacrificed their lives to save khejari trees.

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