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Dear Kashish. You are right. Thank you for correcting us.
MADHUBANI word have only one H but in Sol they have considered 2h .so the answer is wrong but method is right Answer would be 8!/2! -7!/2! =17640
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Dear Kashish. You are right. Thank you for correcting us.
MADHUBANI word have only one H but in Sol they have considered 2h .so the answer is wrong but method is right Answer would be 8!/2! -7!/2! =17640
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