Who invented first working laser?
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Who Invented water turbine?
Which of the following is India's highest civilian award?
PM Modi's Birthday has been celebrated as ........... across India.
ΔXYZ is right angled at Y. If cosX = 3/5, then what is the value of cosecZ ?
Name the country which won the 2017 Women's Hockey Asia Cup title?
Who developed the theory of Evolution?
In HTML, _______________ attribute is used for merging of two or more adjacent rows.