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Production of aromatic hydrocarbons (arenes) like benzene, toluene and xylenes. Earlier the bulk of arenes were obtained from coal tar, but now they are derived from petroleum by the process of reforming. Increasing the octane number of straight-run gasoline by increasing the proport..

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Andy gets one fourth of the balloons shown. How many balloons does he get? => 2 or 1 or 4 or 3..

Determine which events are mutually exclusive when a single die is rolled . I. Getting an odd number and getting an even number. II. Getting a 1 and getting an odd number. III. Getting an odd number and gettting a number less than 5. IV. Gettin..

Lara bought 105 cakes and shared them with his friends such that he gets 40, Linda gets 25, Sara gets 10 and Carol gets 30. Identify the pictograph that represents the data correctly. => Graph 4 or Graph 1 or Graph 3 or Graph 2..

A coin is tossed once. What is the probability of getting a head? => 0.5 or 0.25 or 0.75 or 1..

Identify the path that gets you to C from A. => move 2 units to right or move 3 units to right or move 2 units to left or move 1 unit to right..

When a single die is rolled, what is the probability of getting a 9? => 1 6 or zero or 1 2 or one..

What is the probability of getting an odd number when a dice is rolled? => 1 3 or 1 2 or 1 5 or 1 4..

Find the chance of getting an even number with the spinner shown in the figure. => 1 3 or 1 4 or 1 2 or 2 3..