Four pieces of wooden sticks P, Q, R and S are placed along the length of 15 cm long scale as shown in figure. What is the average length of these sticks?

2.0 cm

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2.5 cm

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2.6 cm

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2.9 cm

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Solution

The correct option is C 2.6 cm

The length of the different sticks is as follows:
$P = 2.1 c m; Q = 3.0 c m; R = 3.1 c m; S = 2.5 c m$

Average length of these sticks
$= \frac{P + Q + R + S}{4}$

$= 2.6 c m$

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Four pieces of wooden sticks A, B, C and D are placed along the length of 30 cm long scale as shown in Fig. Which one of them is 3.4 cm in length?

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