4. এখন সমবায় বিক্রী কেন্দ্ৰৰ পৰা ৰমলাই 3 লিটাৰ, ফজলে 2.5 লিটাৰ, বিপুলে 5 লিটাৰ আৰু চুমিয়ে 1.5 লিটাৰ কেৰাচিন তেল কিনিলে। যদি দোকানত 20 লিটাৰ তেল আছিল তেন্তে বিক্ৰীৰ পাছত আৰু কিমান তেল জমা থাকিল? (মন কৰা: 1.5 লিটাৰ =1 লি 500 মিলি)
Answers
Given:
এখন সমবায় বিক্রী কেন্দ্ৰৰ পৰা ৰমলাই 3 লিটাৰ, ফজলে 2.5 লিটাৰ, বিপুলে 5 লিটাৰ আৰু চুমিয়ে 1.5 লিটাৰ কেৰাচিন তেল কিনিলে। যদি দোকানত 20 লিটাৰ তেল আছিল তেন্তে বিক্ৰীৰ পাছত আৰু কিমান তেল জমা থাকিল? (মন কৰা: 1.5 লিটাৰ =1 লি 500 মিলি)
Ramlai bought 3 liters, Fazle 2.5 liters, Bipule 5 liters and Chumie 1.5 liters of kerosene oil from a co-operative sales center. If there were 20 liters of oil in the store, how much more oil was left after the sale? (Note: 1.5 liters = 1 liter 500 ml)
To find:
How much more oil was left after the sale?
Solution:
The quantity of kerosene oil bought by Ramlai = 3 litres
The quantity of kerosene oil bought by Fazle = 2.5 litres = 2 litres 500 ml
The quantity of kerosene oil bought by Bipule = 5 litres
The quantity of kerosene oil bought by Chumie = 1.5 litres = 1 litre 500 ml
The total quantity of kerosene oil in the store = 20 litres
Therefore,
After the sale, the quantity of kerosene oil left in the store is,
=
=
=
∵
=
=
=
Thus, after the sale, 8 litres more kerosene oil was left in the store.
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