A total of TaKa 1200 is deposited in two savings accounts for one year, part at 5% and the remainder at 7% . If TaKa 72 was earned in interest , how much was deposited at 5% ?

A 300
B 500
C 700
D 600

Correct Answer: 600

Let x amount on 5% interest 1200 - x at 7% So, 0.05x + (1200 - x)*0.07 = 72 0.02x = 12 x = 600
Bissoy MCQ
#গণিত #Bangladesh Bank #সরল ও যৌগিক মুনাফা  (Simple & Compound interest) #Bangladesh Bank - Assistant Director - 2012

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