MBA Exam

While solving | 2x -3 | >=0 , the 2 equations to be considered are 1. 2x-3 > =0 and 2x -3 <= 0 (OR) 2x-3 >=0 and - (2x-3) <=0 ...can anyone explain as to which one is correct ? the ultimate aim is to find the solution set .

1) R
2) null
3) ( 3/2 , ∞)
4) None

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MBA Other Question
a shopkeeper uses a counterfeit weight which is 20% less than the real weight.further greed overtook him and he mixed 20% impurities to the product . find his net profit percentage.

1) 44
2) 40
3) 56
4) 50
 what is the remainder when 792379237923.......upto 400 digits is divided by 101?

1) 99
2) 56
3) 45
4) 3