The average weight of 50 people is 40 kg. If one person leaves the group and the average decreases by one, what is the weight of the person who left?
A79 kg
B59 kg
C49 kg
D89 kg
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അടുത്തടുത്തുള്ള ഏഴ് എണ്ണൽസംഖ്യകളുടെ തുക 357 ആയാൽ നടുക്കു വരുന്ന സംഖ്യ ഏത്?
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