Indian Space Research Organisation Placement Paper

** Company: ** Indian Space Research Organisation

20. The value of x at which y is minimum for y = x2 -3x + 1 is

a -3/2

b 3/2

c 0

d -5/4

21. The formula

a Newton’s backward formula

b Gauss forward formula

c Gauss backward formula

d Stirling’s formula

22. If G is a graph with e edges and n vertices the sum of the degrees of all vertices in G is

a e

b e/2

c e2

d 2 e

23. Let G be an arbitrary graph with n nodes and k components. If a vertex is removed from G, the number of components in the resultant graph must necessarily lie between.

a k and n

b k-1 and k+ 1

c k-1 and n-1

d k+ 1 and n-k

24. A graph in which all nodes are of equai degree, is known as

a Multigraph

b Non regular graph

c Regular graph

d Complete graph

25. If in a graph G there is one and only one path between every pair of vertices then G is a

a Path

b Walk

c Tree

d Circuit

Indian Space Research Organisation Placement Paper

## About Indian Space Research Organisation

The Indian Space Research Organisation or is the national space agency of India, headquartered in Bengaluru. It operates under Department of Space which is directly overseen by the Prime Minister of India, while Chairman of ISRO acts as executive of DOS as well..visit offical website of Indian Space Research Organisation for more details.