Question
At the end of a business conference the ten people
present all shake hands with each other once. How many handshakes will there be altogether?Solution
ATQ, we can say that Number of people in the conference = 10 Each person shakes hands with others. Total number of handshakes = 10C2 = (10 × 9)/2 = 45 handshakes.
Law of conservation of mass is not correct for
Who proposed the 'Law of Octaves' in the periodic classification of elements?
Statement I: Glass is not considered as a true compound. Statement II: Glass does not have a definite melting point.
Codes:
What is the primary advantage of superconductors?
Which of the following particles has the least mass?
Biofertilizers convert nitrogen to:
The atomic bomb is based on which principle?
Which law governs the behavior of ideal gases?
Name the source from which aspirin is produced?
The efficiency of a Carnot engine depends on:Â Â Â Â Â