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Question

Four pieces of wooden sticks P, Q, R and S are placed along the length of a scale(as shown in the figure). Arrange P, Q, R and S in ascending order of their lengths.
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A
S<P<R<Q
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B
P<Q<R<S
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C
P<R<S<Q
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D
P<S<R<Q
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Solution

The correct option is D P<S<R<Q
We know that the length of an object is the difference in the readings of its ends.
Therefore,
Length of P = 3.01.0=2.0 cm
Length of Q = 6.53.8=2.7 cm
Length of R = 10.07.5=2.5 cm
Length of S = 13.311.0=2.3 cm
So, the correct ascending order of their length will be P<S<R<Q.

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