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All India Engineering / Architecture Entrance Examination (AIEEE)

CBSE Guess > AIEEE > AIEEE Papers > 2009 > Maths

AIEEE 2009 Maths

Q. 7. If the mean deviation of the numbers 1, 1 + d, 1 + 2d,…….  ……, 1 + 100d from their mean is 255, then the d is equal to

  1. 20.2

  2. 10.0

  3. 20.0

  4. 10.1

Sol:  

 

Answer: (4)

Q. 8. Let A and B denote the statements

  1. both A and B are false

  2. A is true and B is false

  3. A is false and B is true

  4. both A and B are true

Sol:

Answer: (4)