RRB Junior Engineer Stage 1 Model Papers 7

Question : 17 of 100

Marks: +1, -0

A wheel rotates 3.5 times in one second. What time (in seconds) does the wheel take to rotate 55 radian of angle?

Solution:

Radian covered in one second

=2×22/7×3.5

Time required to covered 55 radian

=55/{2×22/7×3.5}=2.5

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