Who invented first working laser?
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Who Invented the 3-D printer?
From the given alternative words, select the word which cannot be formed using the letters of the given word:
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Canberra is capital city of which country?
If one angle of a triangle is equal to half the sum of the other two equal angles, then the triangle is
If a perfect square, not divisible by 6, be divided by 6, the remainder will be
What does IMF stand for?
Who Invented Neon Lamp?