Average of 36 results is 18. If 2 is subtracted from each result, then what will be the new average of the results?
A9
B16
C7.5
D17
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മൂന്ന് സംഖ്യകളുടെ ശരാശരി 20 അവയിൽ ആദ്യത്തെ രണ്ട് സംഖ്യകളുടെ തുക 42 ആയാൽ മൂന്നാമത്തെ സംഖ്യ ഏത്?
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