Which of the following was invented by Sir Humphry Davy?
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Who invented the contact lens?
Which is the highest award for gallantry during peacetime?
Shaquille O'Neal is associated with which Sport?
If the length of the shadow of a vertical pole be √3 times the height of the pole, the angle of elevation of the sun is:
In May 2017, the Base year of All India Index of Industrial Production (IIP) has been revised to ______.
In terms of size, Neptune ranks no. ___ in our Solar System.
In which year was Communist Party of India - Marxist (CPI-M) founded?