1.

Three burning candles are covered with glass jars as shown in figures. Equal amount of air, \[C{{O}_{2}}\] and \[{{O}_{2}}\] are present in jars X, Y and Z, respectively. Arrange the candles in decreasing order of the time for which they will continue to burn.

A. Z, X, Y            
B.        X, Y, Z            
C.        X, Z, Y            
D.        Z, Y, X
Answer» B.        X, Y, Z            


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