Subject
Bank Exam
Topic
Janata Bank Executive Officer 2017 (Morning)
A sum of money lent out at simple interest amounts to tk. 720 after 2 years and to tk. 1020 after further period of 5 years. The sum is:
A sum of money lent out at simple interest amounts to tk. 720 after 2 years and to tk. 1020 after further period of 5 years. The sum is:
ক)
Tk. 500খ)
tk. 600গ)
tk. 700ঘ)
tk. 710Explanation
Principal + SI for 2 years = 720 tk. ……(I) Principal + SI for 7 years = 1020 tk. ……(II) Subtracting equation (I) from (II), S.I. for 5 years = (1020 – 720) = 300 tk. ∴ S.I. for 2 years =120 tk. ∴ Principal = (720 – 120) = 600 tk.Related questions
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