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Question

A pole is of a certain length, 0.35 m of the pole is painted red, 1.37 m is painted white and 3.27 m is painted black. The remaining 5.63 m is left unpainted. Which of the following is the length of the pole if we round off to the nearest integer?


A

10.52 m

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B

11 m

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C

12 m

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D

10 m

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Solution

The correct option is B

11 m


The total length of the pole is the portion that is painted red, white, black and the portion left unpainted.
The total length of the pole is = 0.35 + 1.37 + 3.27 + 5.63

0.35
+1.37
+3.27
+5.63
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯
10.62
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

The total length of the pole is 10.62 m

Rounding it off to the nearest integer we get the length as 11 m.


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