Tag: history

Mahatma Hansraj served as the principal of the first D.A.V. School at Lahore for 25 years without accepting any salary, demonstrating his dedication to the cause of education.

To answer this question, the user needs to know who Mahatma Hansraj is and basic knowledge about his life.

Mahatma Hansraj was an Indian educationist who founded the Dayanand Anglo-Vedic (DAV) school system. He was born in Punjab, India, and is known for his efforts to promote education in India.

Now, let's go through each option and determine which one is correct:

A. April 6th 1894: This option is incorrect as it is not the birth date of Mahatma Hansraj.

B. Sept. 21st 1885: This option is incorrect as it is not the birth date of Mahatma Hansraj.

C. Sept. 21st 1870: This option is incorrect as it is not the birth date of Mahatma Hansraj.

D. April 14th 1864: This option is correct. Mahatma Hansraj was born on April 14th, 1864, in Punjab, India.

Therefore, the answer is: D

Albert Einstein spoke these words praising Gandhi's philosophy of individual moral leadership over material wealth. He admired Gandhi's approach of using personal example and moral force rather than material resources to advance humanity.

Ts'ai Lun (Cai Lun), a Chinese court official during the Han Dynasty, invented paper around 105 AD. He created paper by mixing mulberry bark, hemp, and rags with water, then pressing and drying the mixture.

George Crum, a chef at Moon's Lake House in Saratoga Springs, New York, invented potato chips in 1853. According to legend, he created them in response to a customer who complained his fried potatoes were too thick.

Frank Henry Fleer invented the first bubble gum in 1906, which he called 'Blibber-Blubber.' Though it was never sold commercially, his invention laid the groundwork for modern bubble gum. The other options are all inventors of different items: Baekeland invented Bakelite plastic, Rohwedder invented bread-slicing machines, and Crum is credited with inventing potato chips.

Jacques Edwin Brandenberger, a Swiss chemist, invented cellophane in 1908. He was trying to create a stain-proof tablecloth but ended up with this transparent, flexible material that revolutionized packaging. Edwin Armstrong invented FM radio, while Binney and Smith created crayons.

Edwin Binney and Harold Smith, founders of Binney & Smith Company, invented Crayola crayons in 1903. They created non-toxic, colorful wax crayons that became a staple for children's art. Cristofori invented the piano, while Wynne created crossword puzzles.

Arthur Wynne, a British journalist working at the New York World, created the first crossword puzzle in 1913. His 'word-cross' puzzle appeared in the Sunday edition and became an instant hit. The other options are inventors in completely different fields: microscopes, temperature scales, and printing.

Ruth Wakefield invented chocolate chips in the 1930s when she cut up chocolate bars and added them to cookie dough at her Toll House Inn. The recipe became an instant classic. Percy Shaw invented cat's eyes for roads, Armstrong worked on FM radio, and Pemberton created Coca-Cola.