Math, asked by ranitagupta86, 3 months ago

কত লিটার জল মিশ্রিত করলে 5 লিটার দ্রবণে দুধের পরিমাণ 45% কি কমে 25 % হবে

Answers

Answered by asrafrajesh

1

Answer:

৪ (4)

Step-by-step explanation:

শটকার্ট

জলের পরিমাণ = {৫×(৪৫-২৫)} ÷২৫

= (৫×২০ )÷২৫

= ৪

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