The monthly incomes of two persons are in the ratio 4:5 and their monthly expenditures are in the ratio of 7:9. If each saves BDT 50 per month, find their monthly income.

A 400 and 600
B 400 and 500
C 500 and 400
D None of these

Correct Answer: 400 and 500

From the options, (a) 400/2100 = 4/21 = 4:21(b) 400/500 = 4/5 = 4:5(c) 500/400 =5/4 = 5:4So, their monthly incomes are 400 and 500. Ans. 400 & 500.
Bissoy MCQ
#গণিত #Combined Bank (সমন্বিত ব্যাংক) #সমন্বিত ৮ ব্যাংক ও ১ টি আর্থিক প্রতিষ্ঠান || অফিসার জেনারেল (10-03-2023)

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