Explanation

Donald Trump replaced Joe Biden to become president of United States of America (USA) on 20 January 2025.

He is the 47th president of US

He had previously served as 45th president from 2016 to 2020.

He belongs to Republicans Party

Updated & verified on 15 Feb 2026

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Explanation

• Mikhail Mishustin is the current Prime Minister of Russia since 16 January 2020.
• Note: Vladimir Putin is the current President of Russia. 
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Explanation

Prophet Muhammad belonged to the Banu Hashim (Hashimite) clan

Named after his great-grandfather, Hashim ibn Abd Manaf, this clan was part of the Adnani Quraish. 

Tribe: Quraysh

Parents: Abdullah ibn Abd al-Muttalib and Aminah bint Wahb

NOTE:The Banu Hashim held a prestigious position in Mecca, often responsible for providing water to pilgrims at the Kaaba. 

Last updated 18-02-2026

Explanation

Evaluation is the term that involves the systematic, professional judgment of the value, significance

• Judgment-Oriented: It determines the merit, worth, or value of a subject.
• Contextual: It uses criteria or standards to interpret performance data.

Last updated 18-02-2026

Explanation

Jean Piaget identified four cognitive development stages:

1. Sensorimotor
2. Preoperational
3. Concrete operational
4. Formal operational

He focused on how children's thinking evolves with age and experience.

Explanation

• Hydrogen and helium are the two lightest gases.
• Helium is the second most abundant element in the universe, after hydrogen.
• Helium has monatomic molecules.
• It is the lightest of all gases except hydrogen.
• Hydrogen is the lightest gas known.
• It provides the maximum lift for balloons due to its very low density.

Last updated question 17-02-2026

Explanation

SOLO stands for Structure of the Observed Learning Outcomes

Developed by Biggs and Collis

It helps assess how deeply students have grasped a concept.

Last updated 17-02-2026

Explanation

• Kristalina Georgieva first elected Managing Director of IMF in October 2019.
  
• She reelected as Managing Director of IMF in April 2024.
  
• She belongs to Bulgaria.

Explanation

Google established (acquired and further developed) the Android system. 

Explanation

• DOCX is the newer version of DOC, the original official Microsoft Word file format. 
• Microsoft Word 97 - 2003 Document extension (.doc).
• Microsoft Word 2007 to till date Document extension (.docx).

Additional information:
.xls extension of Excel.
.ppt extension of PowerPoint.
.txt extension of Text files.
.pdf extension of Portable Document Format.

Last verified on 15-02-2026