GATE Questions

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If {12(a-b)}2+ab=p(a+b)2, then the value of p is 

In each questions given below three statements are followed by two conclusions numbered I and II. You have to take the three given statements to be true
even if they seem to be at variance with the commonly known facts. Read the conclusions and decide which conclusion logically follows from the three given statement disregarding commonly known facts. Give answer

Statements:
Some books are papers.
No paper is magazine.
All magazines are pens.
Conclusions:
I. Some books are not magazines.
II. Some books are magazines.

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

Which one of the following is not the official language of the UNO?

Rahul’s salary is 40% of Mohit’s salary. If Rahul’s salary is increased by 60% and Mohit’s salary is decreased by 20%, then Rahul’s salary will be how much percentage of Mohit’s salary?

If x = [1/(√5 + √3)], y = [1/(√7 + √5)] and z = [1/(√7 + √3)], then what is the value of (x + y + z)?

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

Which script was used in Ashoka's inscriptions?