Crack the Problem

(45) Balance the following redox reaction in basic medium:

.

Submission: Closed

Swapneel's Solution (.pdf)

Cracked by:

1. Mohd. Saad Bhamla, 12th, Maharashtra College, Mumbai.
2. Nachiket Vasant Vaidya, 12th, Sathaye College, Vile Parle, Mumbai.
3. Tejas Ajit Kadam, 12th, Sathaye College, Vile Parle, Mumbai.
4. Siddharth As hith Rao, 12th, Sathaye College, Vile Parle, Mumbai.
5. Swapneel Subhash Sonawane, 12th, D.G. Ruparel College, Mumbai.
6. Vipul Jain, 12th pass, The Lawrence Public School, Venkateshwara College, New Delhi.
7. Umang Merwana, 12th pass, Satna (M.P.). Umang has qualified in JEE 2005.

(44) Compute the area bounded by Witch of Agnesi , and positive part of y axis. [ ] denotes the floor function and { } denotes the fractional part function. (Witch of Agnesi curve was mentioned by lady mathematician Maria Agnesi in her book. It is said that the lady had the habit of walking in the night in sleep and solving problems while not being aware of it. She used to get surprised in the morning by seeing the solution in her own handwriting.)

Submission: Closed

Naveen's Solution (.pdf)

Cracked by:

1. Siddharth Ashith Rao, 12th, Sathaye College, Mumbai.
2. Nachiket Vasant Vaidya, 12'th, Sathaye College, Vile Parle, Mumbai.
3. Umang Merwana, 12'th pass, Satna (M.P.) [Solution very well presented].
4. Naveen Shamsudhin, 12'th, Progressive English School, Sharjah, U.A.E. [Solution very well presented].

(43)

Cracked by:

1. Nachiket Vasant Vaidya, 12th, Sathaye College, Vile Parle, Mumbai.
2. Mustafa Khandwawala, B.Tech. 1st Year, SVNIT, Surat. Mustafa has qualified in JEE 2005.

(42)

(41)

Submission: Closed

Vivek's Solution (.pdf)

Cracked by:

1. Mohd. Saad Bhamla, 12th, Maharashtra College, Mumbai.
2. Vivek Saxena, 12th pass, Dr Virendra Swarup Education Centre, Kanpur.
3. Swapneel Subhash Sonawane, 12th, D.G. Ruparel College, Mumbai.
4. Siddharth As hith Rao, 12th, Sathaye College, Mumbai.