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Fractions and Ratios

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Question

Question 101 (i)

Here is a keyboard for a harmonium.
Find the ratio fo white key to black keys on the keyboard.

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Solution

According to the given figure,
The total number of black keys = 7
the total number of white keys = 10
Hence, the ratio of white keys to black keys on the keyboard $= \frac{10}{7}$

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Question 101 (i)

Here is a keyboard for a harmonium.
Find the ratio of white key to black keys on the keyboard.

Question 101 (ii)

Here is a keyboard fo a harmonium.

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Question 101 (iii)

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Fractions and Ratios

Standard VIII Mathematics

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