Subject
Bank Exam
Topic
EXIM Bank Ltd. - Trainee Assistant Officer - (10.01.2020) 2019 [IBA, DU]
The output of a glass factory was increased by 12% to keep up with the rising demand. Later, this new output was increased by another 25%, By approximately what percentage would the output now have to be decreased in order to restore to the original output ?
The output of a glass factory was increased by 12% to keep up with the rising demand. Later, this new output was increased by another 25%, By approximately what percentage would the output now have to be decreased in order to restore to the original output ?
ক)
28.6%খ)
24.7%গ)
32.8%ঘ)
40%ঙ)
NoneExplanation
প্রশ্নে বলা হচ্ছে যে, কোনো প্রতিষ্ঠানের output প্রথমে 12% বাড়ানো হলো । এরপর আরো 25% বাড়ানো হলো । এখন শতকরা কত কমালে তা পূর্বের অবস্থায় ফিরে আসবে ? ধরি, পূর্বে Output ছিল 100 12% বৃদ্ধিতে বর্তমান Output = 112 ∴ 25% বৃদ্ধিতে বর্তমান output = 112 × 125% = 112 × 125/100 = 140 অতএব, Output শতকরা কমাতে হবে = ( 140-100/140 × 100 )% = 28.6% প্রায় ।Related questions
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ENORMOUS