For the following questions answer them individually
If X has two sisters - Y and Z, and W’s motheris the sister of Y’s father, then W is Z’s ...............
If ABCD is a trapezium, AC and BDarethe diagonals intersecting each otherat point O.
Then AC : BD is
The Dr. B. C. Roy awards,instituted in 1962, are given to eminent achievers primarily
from which field?
A ball of 0.1 kg is dropped from rest. When it falls through a distance of 2 m, the work done by the force of gravity is (g = 9.8 m/s$$^2$$):