Question
Six friends (R, S, T, U, V and W) are sitting around a
circle facing the center. Two friends sit between R and T. U sit second to the right of R and sit opposite to S. V sit adjacent to T. How many friends sit between U and V when counted from the right of V?Solution
When a monochromatic light of frequency less than the threshold frequency is incident on a metal surface, which of the following occurs?
Which of the following is a chemical change?
A sulphide ore is converted into metal oxide by which of the following process?
What is the principle behind the operation of a washing machine?
Which of the following is an example of mutualism?
Who is known the father of modern chemistry?
The force required to maintain an object at a constant velocity is
What type of immunity is provided by vaccination?
The number of electrons present in Carbon is?