WBUT 2013 NUMERICAL METHODS Question Paper ( Paper Code: M(CS)-301)

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CS/B.TECH/(ECE/EE/EIE/EEE/PWE/BME/ICE)-(NEW)/SEM-3/M(CS)-301/2013-14

2013

NUMERICAL METHODS

Time Allotted : 3 Hours                                    Full Marks : 70

The figures in the margin indicate full marks.

Candidates are required to give their answers in their own words

as far as practicable.

GROUP – A

(Multiple Choice Type Question)

1.       Choose the correct alternatives for any ten of the following:
                                                                                               10 x 1 = 10

          i)        The ratio of absolute error of the value is

                   a)       Relative error                  b)       Absolute error

                   c)       Truncation error            d)       Inherent error.     

          ii)       The significant digit of 0.0001234 is

                   a)       7                                    b)       4

                   c)       8                                    d)       6.

          iii)      The percentage error in approximation of 4/3 to 1.3333 is

                   a)       0.0025%                         b)       25%

                   c)       0.000025%                     d)       0.25%

          iv)      If the interval of differencing is unity and f(x)=ax2  ( a is constant), which one of the following choices is wrong?

                   a)       ∆fx=a(2x+1)

                   b)       2fx=2a

                   c)       3fx=2

                   d)       4fx=0 .

 

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