A pattern on a carpet has 7 stars in one row. If there are 40 such rows, how many stars will there be in the pattern?
A
200
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B
240
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C
350
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D
280
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Solution
The correct option is D 280 Number of stars in one row = 7
Total number of rows = 40
Hence, total number of stars in the pattern = 40 × 7 40×7=(4×10)×7=280
Hence, there will be 280 stars in 40 rows.