Which of the following is man-made fibre?
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If tan a = √3 + 2, then the value of tan a - cot a is
Who discovered Penicillin?
Which of the following is NOT considered as Amir Khusro's creation?
A solid sphere of diameter 17.5 cm is cut into two equal halves. What will be the increase (in cm2) in the total surface area?
Ajanta Caves in Maharashtra have rock-cut cave monuments of which religion?
If a mirror is placed on the line MN, then which of the answer figures is the right image of the given figure?
Whose ear Mike Tyson bite in professional boxing match in 1997 for the WBA Heavyweight Championship?