# Gate SMS Collection

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###### 29th November 2011 :

Divisiblity Test For 11: Difference of the sum of the odd places and sum of the even places of the number should be ‘0’ or divisible by 11.

###### 30th November 2011 :

If from a graph G with vertex set V a subset U of V is deleted & all d edges which have a vertex in U as an end point then (G-U) is called edge deleted subgraph.

###### 1st December 2011 :

The adjective ending in -ior (superior, inferior) take ‘to’ and not ‘than’.

Example: He is senior to me.

###### 2nd December 2011 :

If the ratios of speeds of A and B is a:b, then the ratio of time taken by them to cover the same distance is 1/a:1/b or b:a.

###### 3rd December 2011 :

In 2day’s msg, A-B stands for A and B working together, > stands for more than…and sqrt(ab) stands for (a/b)^1/2.