alleryএজন ৰাজমিস্ত্ৰিয়ে এখন দেৱালৰ 40% কাম 8 দিনত সম্পূৰ্ণ কৰে। এই গতিত গোটেই দেৱালখনৰ বাবে লাগিব
A20 দিন
B32 দিন
C16 দিন
D24 দিন
Answer & Solution
Correct answer: A. 20 দিন
যদি 40%-ৰ বাবে 8 days লাগে, তেন্তে 1%-ৰ বাবে 0.2 days লাগে, গতিকে 100%-ৰ বাবে 20 days লাগে।
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