Subject
Bank Exam
Topic
সমন্বিত ৭ ব্যাংক অফিসার (ক্যাশ) - ০২.০৬.২০২৩
A glass when full of milk, weighs 1 kg. It weighs 0.75 kg when the glass is half full. What is weight of the empty glass?
A glass when full of milk, weighs 1 kg. It weighs 0.75 kg when the glass is half full. What is weight of the empty glass?
ক)
0.25 kgখ)
0.35 kgগ)
0.40 kgঘ)
0.50kgExplanation
Glass এর ওজন = x কেজি Milk এর ওজন = y কেজি এখন x + y = 1..................(1) x + y/2 = 0.75 ⇒ (2x + y)/2 = 0.75 ⇒ 2x +y = 1.5..................(2) (2) - (1) ⇒ 2x + y - (x + y) = 1.5 - 1 ⇒ 2x + y - x - y = 0.5 ⇒ x = 0.5 Glass এর ওজন = 0.5 কেজিRelated questions
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