IIT JEE Practice Question and Answer

Q: Who has become First Hindu to be a Pakistan Cabinet Minister in 20 years ? 1068 0

  • 1
    Parash Kumar
    Correct
    Wrong
  • 2
    Raghav Verma
    Correct
    Wrong
  • 3
    Darshan Lal
    Correct
    Wrong
  • 4
    Manik Patel
    Correct
    Wrong
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Answer : 3. "Darshan Lal"
Explanation :

Answer: C) Darshan Lal Explanation: After a span of 20 years, a Hindu politician, Darshan Lal, is set to take the role of a cabinet minister in Pakistan.  The new Prime Minister Shahaid Khaqan Abbasi formulated his cabinet and has appointed 65-year old Lal to lead coordination between four Pakistan provinces. Lal reportedly used to practice as a doctor in Mirpur Mathelo town in Ghotki district of Sindh province.

Q: Who won the world’s largest pre-college science competition in the US in the environmental engineering category for his project on biodegradation of pesticides  ? 1068 0

  • 1
    Shanmuga Sundaram
    Correct
    Wrong
  • 2
    Prashant Ranganathan
    Correct
    Wrong
  • 3
    Suresh Kumar
    Correct
    Wrong
  • 4
    Vijay Ragunathan
    Correct
    Wrong
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Answer : 2. "Prashant Ranganathan"
Explanation :

Answer: B) Prashant Ranganathan Explanation: An Indian boy has won the world’s largest pre-college science competition in the US in the environmental engineering category for his project on biodegradation of pesticides. Prashant Ranganathan, a 12th grader from Jamshedpur, alongwith over 20 high school students from various parts of India, participated in the Intel International Science and Engineering Fair.

Q: Which among the following has ranked top Brand among Global 500 Brands in 2017 ? 1068 0

  • 1
    Apple
    Correct
    Wrong
  • 2
    Amazon
    Correct
    Wrong
  • 3
    Google
    Correct
    Wrong
  • 4
    Facebook
    Correct
    Wrong
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Answer : 3. "Google"
Explanation :

Answer: C) Google Explanation: 1. In the latest Global 500 rankings of most valuable and powerful brands across the globe, Sundar Pichai’s Google has surpassed Apple to achieve the top position.2. The Brand Finance Global 500 list published on February 2, 2017 had featured Apple as the top brand for continuous five years.3. However, for 2017, the ranking revealed that Google’s brand value rose by 24 percent to $109.5bn in 2016. The brand value of Apple on the other hand dropped 27 percent to $107bn.4. This is for the first time since 2011 that Google has been placed at the top spot. The third place has been occupied by Amazon.5. The ranking is based upon factors such as marketing investment, familiarity, loyalty, staff satisfaction and corporate reputation.

Q: A boat whose speed in still water is 9 kmph, goes 12 km downstream and comes back in 3 hrs. Find the speed of the stream? 1068 0

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

Answer: B) 3 kmph Explanation: Let the speed of the stream = x kmph   From the given data,    129+x+129-x=3 hrs 3x2 = 27   => x = 3 kmph   Therefore, the speed of the stream = 3 kmph

Q: The Teesta River is flowing through which two Indian states ? 1066 0

  • 1
    Haryana & Punjab
    Correct
    Wrong
  • 2
    Sikkim & West Bengal
    Correct
    Wrong
  • 3
    West Bengal & Manipur
    Correct
    Wrong
  • 4
    Assam & Uttarakhand
    Correct
    Wrong
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Answer : 2. "Sikkim & West Bengal"
Explanation :

Answer: B) Sikkim & West Bengal Explanation: The Teesta River is a 309 km long river flowing through the Indian states of West Bengal and Sikkim, before going to Bay of Bengal through Bangladesh.

Q: What do you do to improve your knowledge? 1065 0

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Answer :
Explanation :

When an interviewer asks "What do you do to improve your knowledge", because it reflects the major thought process of a person and the way a person gains knowledge and the level to which one is accustomed to the current happenings in the world. In my sense knowledge is not very much obtained through books or any websites. We can give some exercise to the brain so that we can gain knowledge. It is essential to update oneself in order to cope up with this competitive world. First of all you should keep yourself updated with the new technological developments so that if the interviewer asks something concerning the current affairs, you can answer them.You can say that you visit various forums, blogs to keep yourself updated and improve your knowledge. It will be helpful if you have experience of such forums or blogs from before so that you can create a better impression in the minds of the interviewers. It is said that interacting with people of different ages, different communities and different education levels a person can fetch huge knowledge.

Q: The area of a square is equal to the area of a rectangle. The length of the rectangle is 5 cm more than a side of the square and its breadth is 3 cm less than the side of the square. What is the perimeter of the rectangle ? 1065 0

  • 1
    15 cm
    Correct
    Wrong
  • 2
    18 cm
    Correct
    Wrong
  • 3
    34 cm
    Correct
    Wrong
  • 4
    26 cm
    Correct
    Wrong
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Answer : 3. "34 cm"
Explanation :

Answer: C) 34 cm Explanation: Let the side of the square be 's' cm   length of rectangle = (s+5) cm   breadth of rectangle = (s-3)cm   (s+5) (s-3) =    s2 - 5s - 3s - 15 = s2    2s = 15   Perimeter of rectangle = 2(L+B) = 2(s+5 + s–3) = 2(2s + 2)   = 2(15 + 2) = 34 cm

Q: There are 1650 students in a college. The difference between the number of boys and girls in the college is 400. What is the percentage of girls in the college ? 1063 0

  • 1
    49
    Correct
    Wrong
  • 2
    34
    Correct
    Wrong
  • 3
    43
    Correct
    Wrong
  • 4
    38
    Correct
    Wrong
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Answer : 4. "38"
Explanation :

Answer: D) 38 Explanation: Let no. of boys be 'B' and no. of girls be 'G' Here from given data, B + G = 1650 .....(1) B - G = 400 .....(2) From (1) & (2), we get 2B = 2050 => B = 1025 => G = 1650 - 1025 = 625 Hence, the % of girls = 625 x 100/1650 => 38% (approx).

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