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