1.
Which of the following are the main fuctions of WTO?
(1) To organize meetings of member countries to arrive at trade agreements covering international trade
(2) To ensure that member countries conduct trade practices as per agreements agreed upon and signed by the member countries
(3) To provide a platform to negotiate and settle disputes related to international trade between and among member countries
2.
Find the absolute maximum and minimum values of
f(x, y) = 2 + 2x + 2y - x2  - y2
on triangular plate in the first quadrant, bounded by the lines x = 0, y = 0 and y = 9 – x.
3.
4.
The solution of the differential equation (1 + y2)dx = (tan -1 y - x)dy is
5.
6.
7.
The general value of log (1 + i) + log (1 – i) is
8.
9.
10.
The first moment about origin of binomial
distribution is