The Assam Higher Secondary Education Council(AHSEC) is responsible for conducting the 12th standard examinations for the students studying in the state board schools in Assam. Some of the AHSEC 2015 question papers are available for download below. English, Alternative English, Physics, Chemistry, Mathematics, Biology (Featured Image Source...

In this article we shall show a peculiar property of $S_5$. We first note that there are several subgroups of $S_n$ isomorphic to $S_{n-1}$. Infact there is one for each $1leq ileq n$ $H_i={sigmain S_n |sigma(i) = i}$ Let $$X={1,2,3,4,5,6}$$. All of the above subgroups have two orbits...

Kushal Bhuyan [caption id="attachment_7375" align="alignleft" width="220"] Clyde William Tombaugh[/caption] On 13th March, 1930, the Lowell Observatory in Flagstaff, Arizona had something new for the scientific community, a new planet beyond Neptune. A ninth member of our Solar System was discovered by a 23 year old man named...

Going back to school days, recall a simple formula Dividend=Divisor $ times $ Quotient + Remainder It may be of little value to us now but of course it was quite costly in the good old school days as problems related to it were priced at 5...