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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Avijeet banerjee
option (A) is correct. explanation is given in the attachment.
how the ages of principals 66 and 59
present age of old principal is 66 since 6 years ago he retired from his job at the age of 60 .and new principal joined 5 years ago at the age of 54.
After the retirement of old principal 1 year later new principal joined at the age of 54.
ok