If the average of two numbers is 26 and one of them is 12, then find the other number.
A40
B20
C52
D14
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ഒരു ക്ലാസ്സിലെ 40 കുട്ടികളുടെ ശരാശരി വയസ്സ് 10 ആണ്. ടീച്ചറെയും കൂടി ചേർത്തപ്പോൾ ശരാശരി വയസ്സ് 11 ആയി. ടീച്ചറുടെ വയസ്സ് എത്രയാണ്?
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