10, 12, 14, 16, 18 എന്നീ സംഖ്യക ളുടെ ശരാശരി ?
A14
B16
C15
D12
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13.6 , 12.4 , 13.3 എന്നി സംഖ്യകളുടെ ശരാശരി എത്ര ?
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