The vertical angle A of an isosceles triangle ΔABC is three times the angle B of it. The measure of the angle A is
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A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. 1,3,7,13,21,?
Many freshwater animals cannot live for long in sea water and vice versa because of the _______ problems, they would face.
Who proposed five kingdom classification?
Thermal electricity is generated by using which of these ?
Which of these is not a web browser?
Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre?
Which one of the following takes place during a nuclear fusion?