Subject
Bank Exam
Topic
Dutch-Bangla Bank Ltd. - PO (IBA, DU) (15.11.2019) - 2019
A total of 1,200 was deposited in two saving accounts for one year, one portion at 5% simple interest, and the rest at 7% simple interest. If TK 72 was earned in interest, how much was deposited at 5% ?
A total of 1,200 was deposited in two saving accounts for one year, one portion at 5% simple interest, and the rest at 7% simple interest. If TK 72 was earned in interest, how much was deposited at 5% ?
ক)
TK 410খ)
TK 520গ)
TK 600ঘ)
TK 650ঙ)
None of theseExplanation
প্রশ্নে বলা হচ্ছে ১,২০০ টাকা দুটো ব্যাংক একাউন্টে রাখা হলো । কিন্তু টাকা ৫% হারে ও বাকি টাকা ৭% হারে জমা রেখে ৭২ টাকা পাওয়া গেলে ৫% হারে কত টাকা জমা হয়েছিল ? ধরি, 5% টাকা হারে রাখা হয়েছিলো x টাকা ∴ 7% টাকা হারে রাখা হয়েছিলো ( 1200 - x ) টাকা প্রশ্নমতে, ( x × .05 × 1 ) + [ ( 1200 - x ) × .07 × 1 ] = 72 => .05x + 84 - .04x = 72 ∴ x = 600 টাকাRelated questions
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