Which type of soil is suitable for cotton cultivation?
Choose the INCORRECT match.
Which pair of substances can float in water?
Which of the following are meaningless ?
The smallest number having four different prime factors is __________.
The number of line segments that can be found on a cone is ________.
Circumference of a circle is approximately equal to __________ the diameter.
When did construction of ISS began?
What is the estimated age of the universe ?