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Civil-engineer-7th-level-loksewa-exam-important-questions
The average age of 8 men is increased by years when two of m whose ages are 21 years and 23 years are replaced by two new men. The average age of two new men is :
The average age of 8 men is increased by years when two of m whose ages are 21 years and 23 years are replaced by two new men. The average age of two new men is :
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The average age of 8 men is increased by years when two of m whose ages are 21 years and 23 years are replaced by two new men. The average age of two new men is :
A person incurs a loss of 5% be selling a watch for Rs. 1140. At what price should the watch be sold to earn 5% profit.