ആദ്യത്തെ 4 അഭാജ്യസംഖ്യകളുടെ ശരാശരി എത്ര?
A4
B4.25
C4.5
D4.75
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In a club there are 12 wrestlers. When a wrestler whose weight is 90 kg leaves the club, he is replaced by a new wrestler then the average weight of this 12 member club increases by 0.75 kg. What is the weight (in kg) of the new wrestler who joined the club?
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ഒരു യാത്രയിൽ കാർ ആദ്യത്തെ 3 മണിക്കൂർ സമയം 40 കി മി/മണിക്കൂർ വേഗതയിലും ശേഷിക്കുന്ന 5 മണിക്കൂർ സമയം 48 കി.മീ /മണിക്കൂർ വേഗതയിലും സഞ്ചരിച്ചാൽ കാറിൻ്റെ ശരാശരി വേഗത എത്ര?
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