alleryএজন ৰাজমিস্ত্ৰিয়ে এখন দেৱাল 6 দিনত নিৰ্মাণ কৰে, আন এজনে 3 দিনত কৰে। একেলগে কাম কৰিলে দেৱালখন সাজু হ'ব
A1.5 দিন
B2 দিন
C1 দিন
D3 দিন
Answer & Solution
Correct answer: B. 2 দিন
হাৰ যোগ কৰিলে প্ৰতিদিনে দেৱালখনৰ 1/6 + 1/3 = 1/2 অংশ পোৱা যায়, গতিকে দেৱালখনৰ বাবে 2 days লাগে।
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