35% of Nabila's income is equal to 25% of Shkila's income. The ratio of their income is 

A  5 : 7 

B  4 : 7 

C  7 : 3 

D  4 : 3 

Solution

Correct Answer: Option A

Solution:

দেওয়া আছে, Nabila's income এর 35% সমান Shakila's income এর 25%. প্রশ্ন হলো Nabila এবং Sakila এর 

আয়ের অনুপাত কত ? 

ধরি, Nabila's income = T 

এবং Shakila's income = N. 

প্রশ্নমতে, T এর 35% = S এর 25% 

 => (T) \((\frac{{35}}{{100}})\) = N \((\frac{{25}}{{100}})\) 

 => T/N = \(\frac{{25}}{{100}} \times \frac{{100}}{{35}} = \frac{5}{7}\) 

     T : N = 5 : 7. 

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