RRB Junior Engineer Stage 1 Model Papers 1

Question : 29 of 100

Marks: +1, -0

The length (in metres) of the longest rod that can be put in a room of dimensions

10 m × 10 m × 5 m

Solution:

Length of the longest rod

√{a^2+b^2+c^2}

=√{10^2+10^2+5^2}

=√225=15

metre

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