GATE Questions

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If 2x-2x=1 (x≠0),then the value of x3-1x3 is

An isosceles triangle ABC has sides AB = AC. If side BA is produced to D in such a manner that AC=AD. Then what will the measure of the angle BCD?

The diagonal of a cube is 192 cm. Its volume in cm3 will be 

Who elected as new King of Malaysia?

The area of a semicircle is 308 sq.cm. Calculate its perimeter (in cm)

In each of the following questions three statements are given and these statements are followed by two conclusions numbered (1) and (2). You have to take the given three statements to be true even if they seem to be at variance from commonly known facts. Read the conclusions and then decide which of the given conclusions logically follows from the two given statements, disregarding commonly known facts.
Statements:

All books are novels.
No novel is a magazine.
All magazines are newspaper.
Conclusions: 

I.No book is a magazine.
II. Some newspaper are novels.

Which was a cause of the French Revolution?