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of its breadth. If its perimeter is 126 m, then its area will be _____.
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of his journey by train, 
of the journey by bus and the remaining journey by car. If the distance he travelled by train is 60 km more than the distance he travelled by bus, what was the total distance he had travelled?
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Ans 1:
Class : Class 7
As there are 6 teams, each team playing each other only once,
we have a formula for such questions.
matches played = (number of teams x number of teams + 1) / 2
so,
6*7/2 = 21
Ans 3:
Class : Class 7
As there are 6 teams, each team playing each other only once,
we have a formula for such questions.
matches played = (number of teams x number of teams + 1) / 2
so,
6*7/2 = 21
