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A graph showing two sets of data simultaneously is known as

A double bar graph is a graphical display of information using two bars besides each other at various heights. The bars can be arranged vertically or horizontally. We can use a double bar graph to compare two data groups.

A graph showing two sets of data simultaneously is known as Double bar graph.

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A coin is tossed 12 times and the outcomes are observed as shown below:


The chance of occurrence of Head is

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Total number of outcomes, when a ball is drawn from a bag which contains 3 red, 5 black and 4 blue balls is

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Size of the class 150 –175 is

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In a throw of a dice, the probability of getting the number 7 is