IITJEE 2011 Answer Keys Released

IIT JEE is an all India level engineering entrance exam conducted by Indian Institute of Technology’s or popularly IIT’s. There are fifteen IITs at present, namely IIT Bhubaneswar, IIT Chennai, IIT Delhi, IIT Gandhinagar, IIT Guwahati, IIT Hyderabad, IIT Indore, IIT Jodhpur, IIT Kanpur, IIT Kharagpur, IIT Mandi, IIT Mumbai, IIT Patna, IIT Ropar and IIT Roorkee.

IITJEE 2011 was held on April 10 2011, answer keys are now available. All IITJEE aspirants will be given 12 marks for the wrong questions, questions with explanations are given below:

Paper 1: Q55: There is no non-singular 3×3 skew symmetric matrix. Full marks to be given to all.

Paper 1: Q64: The common difference of the arithmetic progression can be either 0 or 6, and accordingly the second term can be either 3, or 9; thus the answers 3, or 9, or both 3 and 9 are acceptable.

Paper 1: Q66: Taking x = 1, the integral becomes zero, whereas the right side of the equation gives 5. Therefore, the function f does not exist. Full marks to be given to all.

Paper 2: Q53: w=e^{i\pi/3} is a typographical error, because of this the answer cannot be an integer. Full marks to be given to all.

Download answer key for IITJEE 2011

  • Paper 1: http://jee.iitd.ac.in/paper12011.pdf
  • Paper 2: http://jee.iitd.ac.in/paper22011.pdf

Results of IITJEE 2011

Results are expected on May 25 2011

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