IIT JEE Practice Question and Answer

Q: There are five bags. In the first bag we put some fruits. Each bag the number of fruits is reduced by 1/4. The last bag contains 4. Then the number of fruits in the first bag is ? 940 0

  • 1
    2596
    Correct
    Wrong
  • 2
    1024
    Correct
    Wrong
  • 3
    256
    Correct
    Wrong
  • 4
    64
    Correct
    Wrong
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Answer : 2. "1024"
Explanation :

Answer: B) 1024 Explanation: Fruits reduced by 1/4.Total no. of bags N = 5Formula to find no. of fruits in 1st bag = 4^nLast Bag = 4 fruits.That means, 4th bag = 4 x 4 = 16 fruits3rd bag = 16 x 4 = 64 fruits2nd bag = 64 x 4 = 256 fruits1st bag = 256 x 4= 1024 fruits.

Q: In how many ways can the letters of the word 'LEADER' be arranged ? 940 0

  • 1
    360
    Correct
    Wrong
  • 2
    420
    Correct
    Wrong
  • 3
    576
    Correct
    Wrong
  • 4
    220
    Correct
    Wrong
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Answer : 1. "360"
Explanation :

Answer: A) 360 Explanation: No. of letters in the word = 6No. of 'E' repeated = 2Total No. of arrangement = 6!/2! = 360

Q: What is the number that should come in the place of question mark ? 1050    420    168     67.2     ? 939 0

  • 1
    19.11
    Correct
    Wrong
  • 2
    14.25
    Correct
    Wrong
  • 3
    10.752
    Correct
    Wrong
  • 4
    26.88
    Correct
    Wrong
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Answer : 4. "26.88"
Explanation :

Answer: D) 26.88 Explanation: Given series follows the rule of 1050/2.5 = 420420/2.5 = 168168/2.5 = 67.2so 67.2/2.5 = 26.88

Q: Who has been appointed as the first woman Secretary General of the Lok Sabha? 939 0

  • 1
    Rama Devi
    Correct
    Wrong
  • 2
    Sumitra Mahajan
    Correct
    Wrong
  • 3
    Anupama Kare
    Correct
    Wrong
  • 4
    Snehlata Shrivastava
    Correct
    Wrong
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Answer : 4. "Snehlata Shrivastava"
Explanation :

Answer: D) Snehlata Shrivastava Explanation: Snehlata Shrivastava, appointed as the first woman Secretary General of the Lok Sabha. The appointment was made by Lok Sabha Speaker Sumitra Mahajan. Ms. Shrivastava will replace Anoop Mishra, who retired on November 30, 2017.  Ms. Shrivastava, a senior civil servant with 35 years of rich and varied administrative experience is a 1982 batch IAS officer from the Madhya Pradesh cadre. Rama Devi holds the distinction of the being the first woman secretary general of the Rajya Sabha.

Q: 'International Plastic Bag Free Day' is observed on which date ? 938 0

  • 1
    3 July
    Correct
    Wrong
  • 2
    4 July
    Correct
    Wrong
  • 3
    6 July
    Correct
    Wrong
  • 4
    5 July
    Correct
    Wrong
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Answer : 1. "3 July"
Explanation :

Answer: A) 3 July Explanation: International Plastic Bag Free Day was observed on 3rd of July 2017. It has been dedicated to heightening awareness about plastic and disposable carrying devices. International Plastic Bag Free Day gives us an opportunity to remind ourselves, and others, that every action we take, and every bag we dispose of effects the lives of everyone in the world for generations to come.

Q: The First Indian city to get " Electric Radio Cabs " is ? 938 0

  • 1
    Goa
    Correct
    Wrong
  • 2
    Delhi
    Correct
    Wrong
  • 3
    Hyderabad
    Correct
    Wrong
  • 4
    Nagpur
    Correct
    Wrong
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Answer : 4. "Nagpur"
Explanation :

Answer: D) Nagpur Explanation: With India's pledge to go all electric by 2030, Nagpur will be the first city in the country to adopt electric cabs as the country moves a step closer to its goal. The pilot project will see around 200 e-cabs in Nagpur with the local body to provide for the charging stations across the city. Currently, Mahindra and Honda are few of the car-manufacturers who have electric and hybrid vehicles in their line-up. We do hope that the situation changes, as hybrid and electric vehicles will help in the growing pollution in India. Countries such as France, Netherland and Belgium have already started to adopt electric and hybrid vehicles.

Q: What are the Multiples of 18? 938 0

  • 1
    144
    Correct
    Wrong
  • 2
    72
    Correct
    Wrong
  • 3
    306
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation: The Multiples of 18 are 18, 36, 54, 72, 90, 108, 126, ....   Multiples of 18 are nothing but numbers which are divisible by 18 leaving remainder 0.   An infinite number of multiples of 18 can be achieved by adding 18 to each subsequent multiple.

Q: What is the currency of Singapore? 937 0

  • 1
    Krone
    Correct
    Wrong
  • 2
    Dollar
    Correct
    Wrong
  • 3
    Tenge
    Correct
    Wrong
  • 4
    Pound
    Correct
    Wrong
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Answer : 2. "Dollar"
Explanation :

Answer: B) Dollar Explanation:

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