IIT JEE Practice Question and Answer

Q: A lady took loan from a bank at the rate of 12% p.a. simple interest. After 3 years she had to pay Rs. 5400 interest only for the period. The principal amount borrowed by her was : 985 0

  • 1
    Rs. 15,000
    Correct
    Wrong
  • 2
    Rs. 1,50,000
    Correct
    Wrong
  • 3
    Rs. 1500
    Correct
    Wrong
  • 4
    Rs. 1,62,000
    Correct
    Wrong
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Answer : 1. "Rs. 15,000"
Explanation :

Answer: A) Rs. 15,000 Explanation: Principal = Rs.(100 x 5400)/(12 x 3)= Rs. 15000.

Q: A man has only 20-paise and 25-paise coins in a bag. If he has 50 coins in all totaling to Rs.10.25, then the number of 20-paise coins is 985 0

  • 1
    42
    Correct
    Wrong
  • 2
    45
    Correct
    Wrong
  • 3
    38
    Correct
    Wrong
  • 4
    36
    Correct
    Wrong
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Answer : 2. "45"
Explanation :

Answer: B) 45 Explanation: Let number of 20 ps coins = x and number of 25 ps coins = y Given total coins in the bag = 50 x + y = 50.......(1) But the total money in the bag = Rs. 10.25 0.20x + 0.25y = 10.25 20x + 25y = 1025.........(2) Now multiplying (1) by 25 we get 25x+25y=1250.............(3) By solving (2) and (3) 20x + 25y = 1025; => x = 45; Then, the no. of 20 ps coins are 45.

Q: According to a survey, which country has become the second largest smartphone market in the world? 985 0

  • 1
    Japan
    Correct
    Wrong
  • 2
    China
    Correct
    Wrong
  • 3
    India
    Correct
    Wrong
  • 4
    USA
    Correct
    Wrong
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Answer : 3. "India"
Explanation :

Answer: C) India Explanation: According to a Report by analyst firm Canalys, India has become the second largest smartphone market in the world.

Q: How can we get 24 as an answer by using 6, 11, 3 and 9? 984 0

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Answer :
Explanation :

This can be solved in two ways using only 6, 11, 9 and 3 we must get 24. 1. {[(11–6) x 3] + 9} By solving this we get 5 x 3 + 9 = 15 + 9 = 24.   2. [(9–6) x (11–3)] = 3 x 8 = 24.

Q: Which Temple has been awarded the ‘most visited place of the world’ by 'World Book of Records' (WBR)? 983 0

  • 1
    Vaishnodevi temple
    Correct
    Wrong
  • 2
    Golden Temple
    Correct
    Wrong
  • 3
    Meenakshi Temple
    Correct
    Wrong
  • 4
    Rawli Maharaj Temple
    Correct
    Wrong
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Answer : 2. "Golden Temple"
Explanation :

Answer: B) Golden Temple Explanation: WBR that is World Book of Records, the London based organization that focuses on maintaining and cataloging the world records has awarded the title of 'Most visited place in the World' to the famous Golden Temple. This holy Shrine has recorded quite an uplift after the successful Heritage street project carried out by the Amritsar department.  Sri Harmandir Sahib, also known as Golden Temple and the Darbar Sahib, is the holiest Gurdwara and the most important pilgrimage site of Sikhism. It is located in the city of Amritsar, Punjab, India.

Q: Uma sold an article for 3400 and got a profit of 25%. If he had sold the article for Rs. 3265. How much profit% would Uma have got ? 981 0

  • 1
    22%
    Correct
    Wrong
  • 2
    27%
    Correct
    Wrong
  • 3
    20%
    Correct
    Wrong
  • 4
    18%
    Correct
    Wrong
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Answer : 3. "20%"
Explanation :

Answer: C) 20% Explanation: Given       125% ---- 3400 => 100% ---- ? => ? = 3400x100/125 = 2720 => Cost price of the article = Rs. 2720 Profit when article sold at Rs. 3265 = 3265 - 2720 = 545 Hence, Profit% = Gain x 100/cost price => P% = 545 x 100/2720 => P% = 20%

Q: Long Sightedness means 981 0

  • 1
    near images are blurry
    Correct
    Wrong
  • 2
    far images are blurry
    Correct
    Wrong
  • 3
    Both A & B
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 1. "near images are blurry"
Explanation :

Answer: A) near images are blurry Explanation: Long sightedness is a common vision condition in which nearby objects are blurry.   In this situation, the person with this condition of the eye where the curvature of the cornea is flat or the axial length of the eyeball is short. When light enters the eye, it does not focus directly on the retina, but focuses beyond the retina. This causes near images to appear out of focus and blurred.     Long sightedness is also called hyperopia, and sometimes presbyopia.

Q: What does the legislative branch do? 979 0

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Answer :
Explanation :

In federal and state government, the legislative branch's primary function is to make laws.

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