Who invented bluetooth?
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India's first official census operation was undertaken in which year?
Which of the following languages has been used by Surdas in his writings?
Ashoka was an emperor of the __________ Dynasty.
∆DEF is right angled at E. If tanD = 4/3, then what is the value of tanF ?
A circle and a square have same area. The ratio of the side of the square to the radius of the circle will be:
Malala Yousafzai and Kailash Satyarthi were jointly presented with which award?
Which of the following award is to recognize distinguished service of a high order to the nation?