Four masons build a wall 4 feet high in four hours. How many feet high wall can one mason build in one hour?

Explanation
4 = 4 1 = x Therefore, 4 * 1/4 = x 4/4 = x 1 = x ND16-8-2023

Explanation
Explanation: We can write 10% as 10/100 Simplifying the fraction 10/100, we get 1/10 which is equal to decimal number 0.1 Thus, 10% as a decimal form is given as 0.1

Explanation
Solution : If x= 2, y = 3, z = 4 then 3x^2-4y^2+2z^2 3 x 2 − 4 y 2 + 2 z 2 = 3(2)^2-4(3)^2+2(4)^2 3 ( 2 ) 2 − 4 ( 3 ) 2 + 2 ( 4 ) 2 = left(3times4right)-left(4times9right)+left(2times16right) ( 3 × 4 ) − ( 4 × 9 ) + ( 2 × 1 6 ) = 12-36+32 1 2 − 3 6 + 3 2 = 44-36 4 4 − 3 6 = 8 8 ∴  3x^2-4y^2+2z^2=8 3 x 2 − 4 y 2 + 2 z 2 = 8

Explanation
Immunization is the method by which the care of disease is done Use of vaccine. .. immunization : A process by which a person becomes protected against a disease through vaccination. Vaccination: The act of introducing a vaccine into the body to produce protection from a specific disease ND16-8-2023

Explanation
  Benjamin Disraeli  prime minister of England served on two occasions. Benjamin Disraeli, 1st Earl of Beaconsfield , was the Conservative prime minister of the United Kingdom of Great Britain and Ireland on two occasions. Benjamin Disraeli become the first pri me minister in 1868 and then between 1874 and 1880 *** ND16-8-2023

Explanation
Cellulose is  a carbohydrate. Important Question Both starches and cellulose are carbohydrates. Cellulose is a fibrous carbohydrate found in all plants. ... Carbohydrate polymers, such as cellulose and chitin, are the most abundant materials found in nature. Carbohydrates are stored in plants and animals in the following respective forms  Starch and glycogen Fructose is a carbohydrate known as Fruit Sugar ND16-8-2023

Explanation
Uncle Sam is the nick of the U.S.A ... On September 7, 1813, the United States gets its nickname, Uncle Sam.  The name is linked to Samuel Wilson, a meat packer from Troy, New York, who supplied barrels of beef t o the United States Army during the War of 1812. ... The land of Maple Leaves is a nickname for  Canada Land of the Rising Sun   is a nickname for  Japan Land of White Elephants is the nickname of   Thailand Land of Milk and Honey is the nick of   Israel  the land of Rainbow   is the nickname of  South Africa ND16-8-2023

Explanation
The lunar eclipse takes place when The shadow of the earth falls on the moon .. The longest total lunar eclipse of the 21st century occurred from   27 July to 28 July 2018. A lunar year of 12 cycles of lunar phases is about  354 days  long. The Lunar eclipse occurs when the moon comes between the earth  

Explanation
The Regional Comprehensive Economic Partnership is a free trade agreement among the  15 Members  All ten members of ASEAN (excludes candidate member  East Timor): 1 Brunei  2 Cambodia 3 Indonesia 4 Laos 5 Malaysia 6 Myanmar  7 Philippines  8 Singapore 9 Thailand 10 Vietnam The three East Asian members of ASEAN Plus Three: 11 China 12 Japan 13 South Korea The two Oceanian members of ASEAN Plus Six: 14 Australia 15 New Zealand The 15 member countries account for about 30% of the world's population (2.2 billion people) and 30 % of global GDP ($29.7 trillion) The RCEP was signed virtually on November 15, 2020, on the sidelines of the annual summit of the 10-nation Association of Southeast Asian Nations. RCEP) was signed virtually, and organized by Vietnam Effective : 1 January 2022 Language : English   ND12_8_2023

Explanation
The World Health Organization (WHO) names new coronavirus variants using the letters of the Greek alphabet The Omicron variant started in  South Africa in November 2021 The Covid-19 variant that emerged in South Africa was named after the 15th letter of the Greek alphabet . ND12_8_2023