allery8 bills average Rs 450. Rs 720 was entered as Rs 270. Correct mean?
ARs 506.25
BRs 393.75
CRs 900.00
DRs 478.125
Answer & Solution
Correct answer: A. Rs 506.25
Correcting the understated bill adds Rs 450 to the total, raising the eight-bill mean by Rs 56.25 to Rs 506.25.
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