Subject
Bank Exam
Topic
EXIM Bank Ltd. - Trainee Assistant Officer - (10.01.2020) 2019 [IBA, DU]
A bike traveled twice a many kms from X to Y as it did from Y to Z. From X to Y. the bike averaged 16 km/gallon and from Y to Z, the average km/gallon that the bike achieved on its trip from X through Y to Z ?
A bike traveled twice a many kms from X to Y as it did from Y to Z. From X to Y. the bike averaged 16 km/gallon and from Y to Z, the average km/gallon that the bike achieved on its trip from X through Y to Z ?
ক)
28.8খ)
32গ)
36.8ঘ)
48ঙ)
NoneExplanation
প্রশ্নে বলা হচ্ছে যে, Y থেকে Z এর যে দুরত্ব X থেকে Y এর দূরত্ব তার দ্বিগুণ । একটি বাইক X থেকে Y যেতে 16km/gallon এবং Y থেকে Z এ যেতে 24 km/gallon ব্যবহার করে । গড় গতিবেগ কত ছিল সমগ্র ভ্রমণে ? x থেকে y এর দুরত্ব 2x km এবং y থেকে z এর দুরত্ব x km ∴ মোট দুরত্ব = 2x + x = 3x km ∴ নির্ণেয় গড় গতিবেগ = 3x/(2x/16-x/24) = 3x/([6x+2x]/48) = 3x/(8x/48) = 3x × 48/8x = 18 km/gallon .Related questions
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ENORMOUS