IIT JEE Practice Question and Answer

Q: Which one of the following scripts of ancient India was written from right to left ? 1910 0

  • 1
    Brahmi
    Correct
    Wrong
  • 2
    Kharoshti
    Correct
    Wrong
  • 3
    Nandnagari
    Correct
    Wrong
  • 4
    Sharada
    Correct
    Wrong
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Answer : 2. "Kharoshti"
Explanation :

Answer: B) Kharoshti Explanation: The Kharoshi script is an ancient script used by the ancient Gandhara culture of South Asia primarily in modern-day Afghanistan and Pakistan to write the Gandhari language (a dialect of Prakrit) and the Sanskrit language.

Q: The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and 15 as remainder. What is the smaller number  ? 1280 0

  • 1
    270
    Correct
    Wrong
  • 2
    1270
    Correct
    Wrong
  • 3
    350
    Correct
    Wrong
  • 4
    720
    Correct
    Wrong
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Answer : 1. "270"
Explanation :

Answer: A) 270 Explanation: Let the smallest number be x.Then larger number = (x + 1365)x + 1365 = 6x + 15= 5x = 1350 x = 270Smaller number = 270.

Q: What profit percent is made by selling an article at a certain price, if by selling at 2/3rd of that price, there would be a loss of 20%   ? 1962 0

  • 1
    30 %
    Correct
    Wrong
  • 2
    25 %
    Correct
    Wrong
  • 3
    15 %
    Correct
    Wrong
  • 4
    20 %
    Correct
    Wrong
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Answer : 4. "20 %"
Explanation :

Answer: D) 20 % Explanation: SP2 = 2/3 SP1CP = 100SP2 = 802/3 SP1 = 80 SP1 = 120100 --- 20   => 20%

Q: Which city is the world’s most crowded cities, according to World Economic Forum (WEF) citing UN Habitat Data ? 1522 0

  • 1
    Mumbai
    Correct
    Wrong
  • 2
    Lahore
    Correct
    Wrong
  • 3
    Lagos
    Correct
    Wrong
  • 4
    Dhaka
    Correct
    Wrong
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Answer : 4. "Dhaka"
Explanation :

Answer: D) Dhaka Explanation: The capital of Bangladesh “Dhaka” is the world’s most crowded city with a population density of 44,500 people per square kilometre, released by World Economic Forum (WEF), citing UN Habitat data. According to UN Habitat data, of the top 10 most densely populated cities in the world, six are in Asia, three are in Africa and one is in South America. India’s financial capital Mumbai, home to 31,700 people per square kilometre has acquired second place, where as Kota in Rajasthan with 12,100 people per square kilometre was ranked seventh. Others in the list include Medellin in Columbia (3rd), Manila in Philippines (4th, 14,800), Casablanca in Morocco (5th, 14,200), Lagos in Nigeria (6th, 13,300), Singapore (8th, 10,200) and Jakarta in Indonesia (9th, 9,600).

Q: India’s longest bridge “Dhola-Sadia Bridge” has built over which tributary of the Brahmaputra River ? 1483 0

  • 1
    Kameng River
    Correct
    Wrong
  • 2
    Lohit River
    Correct
    Wrong
  • 3
    Subansiri River
    Correct
    Wrong
  • 4
    Manas River
    Correct
    Wrong
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Answer : 2. "Lohit River"
Explanation :

Answer: B) Lohit River Explanation: The Prime Minister Narendra Modi has inaugurated India’s longest bridge “Dhola-Sadia Bridge” in Assam on May 26, 2017. This three lane, 9.15 kilometre bridge has been built over river Lohit, a tributary of the Brahmaputra river. It links Dhola in Assam to Sadia. The bridge will reduce the distance from Rupai on NH- 37 in Assam to Meka-Roing on NH-52 in Arunachal Pradesh by 165 KM. The travel time between the two places will come down from the current six hours to just one hour, a total five hour reduction. This will result in saving of petrol and diesel worth Rs 10 Lakh per day. It will also cater to the strategic requirements of the country in the border areas of Arunachal Pradesh, besides facilitating numerous hydro power projects coming up in the state.

Q: A take twice as much time as B or thrice as much time to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in  ? 1520 0

  • 1
    8 hrs
    Correct
    Wrong
  • 2
    12 hrs
    Correct
    Wrong
  • 3
    6 hrs
    Correct
    Wrong
  • 4
    4 hrs
    Correct
    Wrong
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Answer : 3. "6 hrs"
Explanation :

Answer: C) 6 hrs Explanation: Suppose A, B and C take x, x/2 and x/3 respectively to finish the work.  Then, (1/x + 2/x + 3/x) = 1/2  => 6/x = 1/2      => x = 12  So, B takes 6 hours to finish the work.

Q: Which Payments Bank becoming the first bank to offer cash backs on deposits  ? 3936 0

  • 1
    Postal Payments Bank
    Correct
    Wrong
  • 2
    Airtel Payments Bank
    Correct
    Wrong
  • 3
    Aditya Birla Payments Bank
    Correct
    Wrong
  • 4
    Paytm Payments Bank
    Correct
    Wrong
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Answer : 4. "Paytm Payments Bank"
Explanation :

Answer: D) Paytm Payments Bank Explanation: Paytm Payments Bank becoming the first bank to offer cash backs on deposits. Customers will also be offered zero charges on all online transactions and no minimum balance requirement. The Payments Bank plans to roll out 31 branches and 3,000 customer service points in the first year. For savings accounts, it will offer an interest of 4 percent per annum. It will also offer current accounts to its millions of merchants.

Q: ______ : trail :: grain : grail 2790 0

  • 1
    path
    Correct
    Wrong
  • 2
    holy
    Correct
    Wrong
  • 3
    train
    Correct
    Wrong
  • 4
    wheat
    Correct
    Wrong
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Answer : 3. "train"
Explanation :

Answer: C) train Explanation: Train becomes trail when the "n" is replaced by an "l", and grain becomes grail when the "n" is replaced by an "l".

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