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Quantitative aptitude

7 steps to sure success in SSC CGL Tier 1 and Tier 2 competitive tests

7 steps to sure success in SSC CGL Tier1 and Tier2 competitive tests

Start preparation from zero point in concept layer and proceed to improve your ability to solve problems step by step. Never start preparation randomly from a higher level concept layer. This is the crux of the whole problem, as high speed problem solving in competitive tests heavily relies on total control on the basic concepts, be it maths, reasoning or English.

Permutation and combination

thumb_permutation and combination

Permutation and combination deal with choice and arrangement of a set of objects out of a second set of objects. Permutation deals with such questions as, how many ways can the three letters a, b and c be arranged? In each such permutation or arrangement, ordering is important. On the other hand, Combination deals with such questions as, how many ways can you choose a captain and vice-captain out of a cricket team of 11 players? In a combination, ordering of the elements chosen is not important...

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