Subject
Bank Exam
Topic
One Bank Ltd. - Special Cadre Officer - 2018
City X has a population 4 times as great as the population of City Y, which has a population twice as great as the population of City Z. What is the ratio of the population of City X to the population of City Z ?
City X has a population 4 times as great as the population of City Y, which has a population twice as great as the population of City Z. What is the ratio of the population of City X to the population of City Z ?
ক)
1 : 8খ)
1 : 4গ)
2 : 1ঘ)
8 : 1Explanation
Solution: প্রশ্নে বলা হচ্ছে, Y শহরে যতজন লোক আছে X শহরে তার 4 গুণ লোক আছে । আবার Z শহরে যতজন লোক আছে Y শহরে তার 2 গুণ লোক আছে । X এবং Y শহরে লোক সংখ্যার অনুপাত কত ? ধরি, Z শহরে লোক সংখ্যা আছে = P জন Y শহরে লোক সংখ্যা আছে = 2p জন X শহরে লোক সংখ্যা আছে = 2p 4 = 8p জন X : Z = 8p : p = 8 : 1Related questions
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