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Subject :NCO    Class : Class 4

This device which was made up of movable wheels is called _____.

A Abacus
B Pascaline
C Analytical Engine
D Difference Engine


Ans 1:

Class : Class 5
Option - B The picture showing is of Pascaline which Blaise Pascal has made .

Ans 2:

Class : Class 4
Hmmmm..

Ans 3:

Class : Class 4
Hmmm

Ans 4:

Class : Class 4
That is a pascaline ,invented by Blaise pascal

Ans 5:

Class : Class 4
Interesting

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