Civil Services UPSC EPFO (APFC) Mock Test 2023 Quantitative Aptitude Elementary Statistics

The arithmetic mean of the heights of the 3 members of a family is 135 cm. If a new member of height 119 cm comes, then what is the new arithmetic mean of heights of all the members of the family?

1
131 cm
2
135 cm
3
127 cm
4
129 cm
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