Christmas Card was invented by ________.
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If a chord of a circle subtends an angle of 30° at the circumference of the circle, then what is the ratio of the radius of the circle and the length of the chord respectively?
Who wrote the book "Five Point Someone: What Not to Do at IIT"?
Rajendra I was the son of?
What is the transplantation of graft between genetically identical individuals ?
What was the debt-to-GDP ratio for the Financial Year 2016-17?
Which of the following is the largest satellite of the Solar System?
The apparent weight of a person in a lift which is moving down with uniform acceleration is _______.