allery4 पुरुषांचे 15 दिवसांचे काम किती मनुष्य-दिवसांइतके आहे?
A45
B50
C75
D60
Answer & Solution
Correct answer: D. 60
मनुष्य-दिवस म्हणजे पुरुष गुणिले दिवस, म्हणून 4 x 15 = 60.
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