15 ten rupee coin were arranged on the table. If the thickness of all the coin was 20 cm, calculate the thickness of one coin?
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Length of 15 coins = 20 cm
So length of 1 ten rupee coin = ?
By cross multiplication ,
15 coins = 20 cm
1 coin. = ?
? × 15 = 1 ×20 cm
? = 20÷15
? = 4/3
OR 1.33 ( approx )
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