allery12 मजूर एक काम 15 दिवसांत पूर्ण करतात. तर 18 मजुरांना ते काम करण्यासाठी किती दिवस लागतील?
A12
B20
C10
D14
Answer & Solution
Correct answer: C. 10
मजूर आणि दिवस व्यस्त प्रमाणात आहेत, म्हणून 12 x 15 = 18 x d यावरून d = 10 मिळते.
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