A man spends 75% of his income. His income is increased by 20% and he increased his expenses by 10% . His saving are increased by

A man spends 75% of his income. His income is increased by 20% and he increased his expenses by 10% . His saving are increased by Correct Answer 50%

ধরি, বৃদ্ধির পর মাসিক আয় 100 টাকা বৃদ্ধির পর মাসিক খরচ করেন = ( 100 এর 75/100) টাকা = 75 টাকা বৃদ্ধির পর সঞ্চয় করেন = ( 100 - 75) = 25 টাকা 20% বৃদ্ধির পর মাসিক আয় = ( 100 + 100 এর 20/100) = 120 টাকা 10% বৃদ্ধির পর মাসিক খরচ ( 75 + 75 এর 10/100) = 82.5 টাকা মাসিক সঞ্চয় বৃদ্ধি পায় = 120 - 82.5 = 37.5 টাকা সুতরাং, মাসিক সঞ্চয় শতকরা 37.5% বৃদ্ধি পাবে।
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