Speed Maths Test
3 5 10 12 18 20 32 33 35 44 49 54 56 60
From the list above, how many pairs of numbers have a difference of 12?
From the given list of numbers, by observing
Only 3 pairs of numbers have the difference of 12.
They are
20 - 32
44 - 32
44 - 56.
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1 Mole of CO2 mass is
We know that,
Mass of Carbon = 12 gms
Mass of Oxygen = 16 gms = O2 => 16 * 2 = 32 gms
=> Mass of 1 mole of CO2 = 12 + 32 = 44 gms.
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In national income accounting, government purchases include
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Evergreen trees lose their leaves steadily all year.
Trees that lose all of their leaves for part of the year are known as deciduous trees. Those that don't are called evergreen trees.
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The element present in all organic molecules is
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Automatic stabilizers refer to