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  • Gate Advantage


    Sun, December 1st 2013

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    Scoring tips The following tips would certainly help you in scoring well in the exam: Go through previous years’ question papers along with solutions, and analyse the subject pattern and focus on those subjects which have maximum weightage. Books can further be divided into two categories: Books that deal with the fundamentals and focus on conceptual clarity. Here textbooks by reputed pubMore.

  • Clear you concepts about Combination


    Wed, November 27th 2013

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    In mathematics a combination is a way of selecting several things out of a larger group, where (unlike permutations) order does not matter. In smaller cases it is possible to count the number of combinations. For example given three fruit, say an apple, orange and pear, there are three combinations of two that can be drawn from this set: an apple and a pear; an apple and an orange; or a pear and More.

  • How to deal with Factorial!! Major mark contributions in Exams !!


    Wed, November 27th 2013

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    Definition:  Factorial: The number of sequences that can exist with a set of items, derived by multiplying the number of items by the next lowest number until 1 is reached. In mathematics, product of all whole numbers up to the number considered. The special case zero factorial is defined to have value 0!=1, consistent with the combinatorial interpretation of there being exactly one way to More.

  • Explore Your brain with P&C !!!!!


    Wed, November 27th 2013

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    Definition:  Permutation: An arrangement is called a Permutation. It is the rearrangement of objects or symbols into distinguishable sequences. When we set things in order, we say we have made an arrangement. When we change the order, we say we have changed the arrangement. So each of the arrangement that can be made by taking some or all of a number of things is known as Permutation. More.

  • To differentiate b/n permutation and combination ,first you must know about permutation!!!


    Wed, November 27th 2013

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    Permutation  ï»¿ A permutation, also called an "arrangement number" or "order," is a rearrangement of the elements of an ordered list S into a one-to-one correspondence with S itself. The number of permutations on a set of nelements is given by n! (n factorial;  For example, there are  2!=2·1=2 permutations of {1,2}, namely {1,2}and {2,1}, and 3!=3·2·1=6 perMore.

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