421: World Development Report is an annual publication of

(a) United Nations Development Programme

(b) International Bank of Reconstruction and Development

(c) World Trade Organisation

(d) International Monetary Fund
Explanation:
"World Development Report" is annual publication of "International Bank of Reconstruction and Development" or the "World Bank".
422: The Global Competitiveness Report is published by the

(a) International Monetary Fund

(b) United Nations Conference on Trade and Development

(c) World Economic Forum

(d) World Bank
Explanation:
The Global Competitiveness Report (GCR) is a yearly report published by the World Economic Forum.

https://www.weforum.org/reports/the-global-competitveness-report-2018
423: When a ship enters a sea from a river, its portion under water will:

(a) Increase

(b) Decrease

(c) Show no change

(d) Increase and decrease alternately
424: Projects and Development India Limited is Mainly engaged is design engineering, procurement and supervision of construction/commissioning in which area?

(a) Pharmaceutical plants

(b) Petroleum refineries and sugar factories

(c) Ship-building yards

(d) Fertilliser and allied chemical plants
Explanation:
Projects and Development of India Limited previously called Fertilizer Planning and Development India Limited is mainly engaged in design engineering, procurement and supervision of construction/commissioning of Fertilizer and allied chemical plants.
425: The pitch of the voice of women is in general

(a) marginally lower than that of men

(b) higher than that of men

(c) much lower than that of men

(d) the same as that of men