Question 70

In questions 60 to 79, state whether the statements are True or False.
250 cm is 4 % of 1 km.

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Solution

False
$∵ 250 c m = \frac{250}{100} = 2.5 m$ [ $∵$ 1 m = 100 cm]
Now, 4 % of 1 km $= \frac{4}{100} \times 1000 m$ [ $∵$ 1 km = 1000 cm]
= 40 m
Hence, 250 cm $\neq$ 4 % of 1 km.

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Percentage of a Number

Standard VII Mathematics

Question 70 In questions 60 to 79, state whether the statements are True or False. 250 cm is 4 % of 1 km.

False ∵250 cm=250100=2.5 m [∵ 1 m = 100 cm] Now, 4 % of 1 km =4100×1000 m [∵ 1 km = 1000 cm] = 40 m Hence, 250 cm ≠ 4 % of 1 km.

Question 70

In questions 60 to 79, state whether the statements are True or False.
250 cm is 4 % of 1 km.

False
$∵ 250 c m = \frac{250}{100} = 2.5 m$ [ $∵$ 1 m = 100 cm]
Now, 4 % of 1 km $= \frac{4}{100} \times 1000 m$ [ $∵$ 1 km = 1000 cm]
= 40 m
Hence, 250 cm $\neq$ 4 % of 1 km.