Question
Meena invests Rs. x in a fund that gives 18% simple
interest per year. After 4 years, she earns interest of Rs. ‘1.4x – 800’. What is the value of x?Solution
ATQ,
0.18 × 4 × x = 1.4x – 800
⇒ 0.72x = 1.4x – 800
⇒ –0.68x = –800
⇒ x = 800 ÷ 0.68 = 1176.47
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