1341: When ten persons shake hands with one another, in how many ways is it possible ?
(A) 45
(B) 20
(C) 25
(D) 40
1342: With reference to the role of UN-Habitat in the United Nations programme working towards a better urban future, which of the statements is/are correct?
1. UN-Habitat has been mandated by the United Nations General Assembly to promote socially and environmentally sustainable towns and cities to provide adequate shelter for all.
2. Its partners are either governments or local urban authorities only.
3. UN-Habitat contributes to the overall objective of the United Nations system to reduce poverty and to promote access to safe drinking water and basic sanitation.
Select the correct answer using the code given below:
(a) 1, 2 and 3
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1 only
1343: At a given time, two players are standing on a play-field. The cartesian coordinates of their locations are (20, 60) and (-40, -20) units. What is the distance between the players ?
(a) 60 units
(b) 80 units
(c) 100 units
(d) 140 units
1344: In India, in which one of the following types of forests is teak a dominant tree species?
(a) Tropical moist deciduous forest
(b) Tropical rain forest
(c) Tropical thorn scrub forest
(d) Temperate forest with grasslands
1345: Consider the following statements :
An amendment of the Constitution of India can be initiated by the
I. Lok Sabha.
II. Rajya Sabha.
III. State Legislatures.
IV. President.
Which of the above statements is/are correct ?
(a) I alone
(b) I, II and III
(c) II, III and IV
(d) I and II