IIT JEE प्रश्न और उत्तर का अभ्यास करें

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

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    Brahmi
    सही
    गलत
  • 2
    Kharoshti
    सही
    गलत
  • 3
    Nandnagari
    सही
    गलत
  • 4
    Sharada
    सही
    गलत
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उत्तर : 2. "Kharoshti"
व्याख्या :

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.

प्र: 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

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    270
    सही
    गलत
  • 2
    1270
    सही
    गलत
  • 3
    350
    सही
    गलत
  • 4
    720
    सही
    गलत
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उत्तर : 1. "270"
व्याख्या :

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.

प्र: 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

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    30 %
    सही
    गलत
  • 2
    25 %
    सही
    गलत
  • 3
    15 %
    सही
    गलत
  • 4
    20 %
    सही
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उत्तर : 4. "20 %"
व्याख्या :

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

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

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    Mumbai
    सही
    गलत
  • 2
    Lahore
    सही
    गलत
  • 3
    Lagos
    सही
    गलत
  • 4
    Dhaka
    सही
    गलत
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उत्तर : 4. "Dhaka"
व्याख्या :

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).

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

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    Kameng River
    सही
    गलत
  • 2
    Lohit River
    सही
    गलत
  • 3
    Subansiri River
    सही
    गलत
  • 4
    Manas River
    सही
    गलत
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उत्तर : 2. "Lohit River"
व्याख्या :

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.

प्र: 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

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    8 hrs
    सही
    गलत
  • 2
    12 hrs
    सही
    गलत
  • 3
    6 hrs
    सही
    गलत
  • 4
    4 hrs
    सही
    गलत
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उत्तर : 3. "6 hrs"
व्याख्या :

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.

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

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    Postal Payments Bank
    सही
    गलत
  • 2
    Airtel Payments Bank
    सही
    गलत
  • 3
    Aditya Birla Payments Bank
    सही
    गलत
  • 4
    Paytm Payments Bank
    सही
    गलत
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उत्तर : 4. "Paytm Payments Bank"
व्याख्या :

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.

प्र: ______ : trail :: grain : grail 2790 0

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    path
    सही
    गलत
  • 2
    holy
    सही
    गलत
  • 3
    train
    सही
    गलत
  • 4
    wheat
    सही
    गलत
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उत्तर : 3. "train"
व्याख्या :

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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