Explanation

Let the number be x
According to the question,
91 - 

 = x
9100 - 30x = 100x
Or, 9100 = 130x
Or, x = 

Hence, x = 70

Explanation

With a reduction of 540 - 470 = Rs. 70, the profit changes from x to (-x/6) i. e. a difference of 7x/6.

7x/6 = 70 or x= 60

Hence Cost price = 540 - 60 = 480

Explanation

Donald Trump is the 47th and current president of the United States.

Assumed office: January 20, 2025

Preceded by: Joe Biden

Explanation

The phrase "weal and woe" means joys and sorrows.

It refers to both the good and bad, the fortunate and unfortunate, or the happy and sad aspects of life. 

"Ups and downs" is also a good way to describe the fluctuations in life, but "joys and sorrows" more directly captures the meaning of "weal and woe". 

Explanation

• Pakistan is not a member  of BRICS
• Know everything about BRICS: 
• BRICS founded: June 2009
  
• BRICS Member countries: Brazil, Russia, India, China, South Africa, Egypt, Ethiopia, Iran, Saudi Arabia and the United Arab Emirates
  
• BRICS total members: 10 
• South Africa joined BRICS: 2010
• BRICS headquarters: Shanghai, China
• BRICS first conference hosted by: Russia (2009) 

Explanation

Johannes Erwin Eugen Rommel was a German general and a propaganda icon during World War II.

Popularly known as the Desert Fox,

He served as field marshal in the Wehrmacht of Nazi Germany,