Question

A coment passed by the Earth in the year 1835. It passes by the Earth every 60 years. Based on this information, in which of the following years can the comet be expected to pass by the Earth ?

• A. 2035
• B. 2060
• C. 2075
• D. 2080

Answer 1

The correct option is C 2075

Since the comet passes by the Earth every 60 years, find the year from the options that is a multiple of 60 added to 1835.
$2075=1835+4\times 60$
$\therefore$ The comet can be expected to pass by the Earth in the year 2075