alleryএকটি ড্রোন 15 km পশ্চিম দিকে ও তারপর 8 km দক্ষিণ দিকে ওড়ে। উৎক্ষেপণ বিন্দু থেকে এটি কত দূরে রয়েছে?
A15 km
B17 km
C23 km
D19 km
Answer & Solution
Correct answer: B. 17 km
225 এবং 64-এর যোগফলের বর্গমূল হলো 17, সুতরাং ড্রোনটি 17 km দূরে রয়েছে।
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