The average weight of a group of 20 boys was calculated to be 65 kg and it was later discovered that the weight of a boy was misread as 76 kg instead of the correct weight 66 kg. The correct average weight was:
A66 kg
B63 kg
C65.5 kg
D64.5 kg
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Related Questions:
Average marks of total 8 subjects were calculated to be 74. Later it was discovered that marks of 1 subject was misread as 98 instead of 89. What is the correct average?
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മൂന്നിന്റെ ആദ്യത്തെ അഞ്ച് ഗുണിതങ്ങളുടെ ശരാശരി എത്ര?
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1 മുതൽ 100 വരെയുള്ള സംഖ്യകളുടെ ശരാശരി എത്ര?