A bond gets matured in 10 years . invested TK. 42,000 in this bond and received Tk. 105000 once the bond matured . If the bond was under simple interest . then what was the rate of interest per annum?

A 10%
B 12.5%
C 15%
D 7.5%

Correct Answer: 15%

Simple interest of 10 years 105000 - 42000 = 63000 Simple interest of 1 years 6300010 = 6300We know, r = 1×100p×n = 6300×10042000×1 = 15%
Bissoy MCQ
#গণিত #সরল ও যৌগিক মুনাফা  (Simple & Compound interest) #Combined Bank (সমন্বিত ব্যাংক) #জনতা ও রূপালী ব্যাংক- অফিসার ১৩.১২.২০১৯

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