Shear strength of soil notes
What is Variable?
A variable is a name given to a memory location where the actual data is store..
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Permutation and combination
Question ::If you have number 0,1,2,3,4,5,6 how many 4 digit number you can formed if repition not allowed?? Solution : It is simple question, _ _ _ _ At first place you have only 6 option because zero can't be came at first option. Then at 2nd place you have 6 option and at 3rd you have 5 option and at 4th you will have 4 option so total number can be formed= 6×6×5×4 = 720 It is correct or not??
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