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 .