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Sobi types 108 words in 6 minutes. How many words would she type in half an hour?

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Question

Sobi types 108 words in 6 minutes. How many words would she type in half an hour?

Sum
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Solution

Sobi can types 108 words in 6 min.

In 1 min, she can type = `108/6` = 18 words

Thus, in 30 min, she can type = 18 × 30 = 540 words

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Chapter 10: Direct and Inverse Proportions - Exercise [Page 322]

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NCERT Exemplar Mathematics Exemplar [English] Class 8
Chapter 10 Direct and Inverse Proportions
Exercise | Q 69. | Page 322

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