allery180 কিলোমিটাৰ দূৰত্বত দুখন গাড়ী ঘণ্টাত 40 আৰু 50 কিলোমিটাৰ বেগত কাষ চাপিছে। কেতিয়া লগ হয়?
A2 ঘন্টা
B1 ঘন্টা
C3 ঘন্টা
D4 ঘন্টা
Answer & Solution
Correct answer: A. 2 ঘন্টা
একেলগে গাড়ীবোৰ প্ৰতি ঘণ্টাত 40 + 50 = 90 কিলোমিটাৰ বন্ধ হয়, গতিকে 180 ÷ 90 = 2 ঘণ্টাৰ পিছত লগ হয়।
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