The average age of 17 players is 22. when a new player is included in the squad, the average age became 23. What is the age of the player included
A39
B41
C42
D40
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The average of nine numbers is 60, that of the first five numbers is 55 and the next three is 65. The ninth number is 10 less than the tenth number. Then, tenth number is –
65 കിലോ ഭാരമുള്ള ഒരാളെ മാറ്റി പുതിയ ആളെ നിയമിക്കുമ്പോൾ 8 ആളുകളുടെ ശരാശരി ഭാരം 1.5 ആയി വർദ്ധിക്കുന്നു. പുതിയ ആളുടെ ഭാരം എന്തായിരിക്കാം.
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