alleryKiran Lata سے تین گنا زیادہ موثر ہے، جسے اکیلے 60 دنوں کی ضرورت ہے۔ ایک ساتھ ان کی ضرورت ہے۔
A18 دن
B12 دن
C15 دن
D20 دن
Answer & Solution
Correct answer: C. 15 دن
Lata 1/60 اور Kiran 3/60 کرتا ہے، کل 4/60 = 1/15، تو 15 دن۔
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