Sawaal
33
Q:

This statesman,politican,scholar,inventor,and one of early presidents of USA invented the swivel chair,the spherical sundial,the moldboard plow,and the cipher wheel.

A) George Washington B) Alexander Hamilton
C) John Adams D) Thomas Jefferson

Answer:   D) Thomas Jefferson



Explanation:

 Thomas Jefferson (April 13, 1743 – July 4, 1826) was the third President of the United States (1801-1809) and the principal author of the Declaration of Independence (1776).

Subject: Inventions
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Twice the difference between two numbers is equal to their sum. If one number is 15,find the other number.

 

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The Gandhi-Irwin pact was signed in the year

 

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