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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

Answer:

D. 40

Read Explanation:

Total age of 17 players = 22x17 = 374 Total age of 18 players = 23x18 = 414 Age of the new player = 414-374 = 40


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ശരാശരി 48 km/hr വേഗതയിലുള്ള ഒരു കാർ 5 മണിക്കൂർ കൊണ്ടാണ് ഒരു നിശ്ചിത ദൂരംപിന്നിട്ടത്. അത്രയും ദൂരം 2.5 മണിക്കൂർ കൊണ്ട് എത്തണമെങ്കിൽ കാറിന്റെ ശരാശരി വേഗത എത്രയായിരിക്കണം ?