Subject
Bank Exam
Topic
Southeast Bank Ltd. - Probationary Officer - 2017
If 1,500 is increased by 20% and then reduced by y%, yielding 1,080, what is the value of y ?
If 1,500 is increased by 20% and then reduced by y%, yielding 1,080, what is the value of y ?
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20খ)
30গ)
40ঘ)
44Explanation
Solution: প্রশ্নে বলা হচ্ছে 1,500 কে প্রথমে 20% বাড়িয়ে পরে আবার y% কমানো হলে সংখ্যা 1,080 হলো । y এর মান কত ? 1,500 কে প্রথমে 20% বাড়িয়ে পাই = 1,500 + 1,500 এর 20% = 1,500 + 1,500 20/100 = 1,500 + 300 = 1,800 প্রশ্নমতে, 1,800 - 1,800 এর y% = 1,080 => 1,800 - 1800y/100 = 1,080 => 1,800 - 18y = 1,080 => 18y = 1,800 - 1,080 => 18y = 720 => y = 720/18 y = 40Related questions
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