allery40 km/h গতিত চলি থকা এখন ৰে'লৰ ভিতৰত এজন মানুহে 10 km/h গতিত সন্মুখলৈ খোজ কাঢ়ে। ভূমিৰ সাপেক্ষে তেওঁ কিমান দ্ৰুতগতিত চলিছে?
A45 km/h
B40 km/h
C30 km/h
D50 km/h
Answer & Solution
Correct answer: D. 50 km/h
একে দিশত দ্ৰুতিসমূহ যোগ হয়, 40 + 10 = 50 km/h।
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