Dinosaurs are a class of extinct reptiles and modern birds of the  clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago, although the exact origin and timing of the .....

  The shortest distance between the initial position and the final position is called .....

These are a number of devices available to measure the volume of the liquid. They are: Measuring Cyclinder Measuring Glass Conical .....

he covalency of an atom is the number of electrons it shares with other atoms when forming .....

Types of Sets in Maths

The different types of sets are as follows:

Empty Set 

The set which is empty! This means that there are no elements in the set. This set is represented by ϕ or {}. An empty set is hence defined .....

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Aluminium can transfer more electricity because it is a metal. It has three free valence electrons in its outer most shell. In comparision with .....

Screws are very useful for holding things together. They can pull or push an object together. They can be used to lift very heavy objects and tighten things too.

Some good examples of screws are bolts, screws, bottle tops, guitar tuners, .....

Trigonometry is the branch of mathematics concerned with specific functions of angles .....

It is the unit of distance , used to measure distance between heavenly bodies . One astronomical unit (AU) represents the mean distance between the Earth and our sun. An AU is approximately 93 .....

It works on Newton's third law of .....

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No, Eyes is the sense organs which helps us to see things. And, Nose is the sense organs which help us to .....

Ocean water is salty because it contains dissolved salts and minerals in it which imparts salinity to it. River falls into oceans which carry with themselves salts of soil and thus when so many rivers with soil salts fall into ocean then the sea .....

Things which cannot grow, move, breathe and reproduce are called nonliving things. They do not have any kind of life in them. Examples of nonliving things are rocks, bucket and .....

The reasons of using simple machines are: i) They change the direction of the force. ii) They multiply the force. iii) they reduce effort or extend the ability of people to perform tasks beyond their normal .....

Industries produces different gases like carbondioxide,sulphur dioxide, carbon monoxide, nitrous oxide etc. They all are industrial gas. Industrial gases are those gases which are released from the industry are industrial gases. After they are .....

Regenration means to grow the lost part again. In Planaria, it can be cut into pieces and each piece can regenerate itself into a complete organism. Cells at the location of wound site proliferates to form a blastema that will differentiate into .....

Works done by people through which they earn money is called .....

Globalization make people realize that they are living in a small community. So people need to communicate with each other in a common language. The use of SI unit is the only one to fulfill the need. It makes uniformity and easy to understand .....

DNA exists in Chromatin form fn the nucleus. The chromatin condenses to form Chromosomes during cell division.  The 'beads' are octamer histone proteins and the 'string' is the double-stranded .....

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Solution : Principal P = Rs. 50 Interest I = Rs.2 Time T = 6 months = 6/12 = 1/2 year Rate of interest R = ? we know, R = (I * 100 ) / P * T = ( 2 * 100) / ( 50 * 0.5)  = 8 % It means rate of interest is .....