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Rs. ( 2000 + x ) (2000 + x) ( 2000 + x ) is invested at 10% compound interest for two years. The interest received is Rs. 525. The interest received w...

Banking RBI Grade B Prelims Medium Number System (including HCF LCM) MCQ

Question

Rs. (2000+x)(2000 + x) is invested at 10% compound interest for two years. The interest received is Rs. 525. The interest received when \textit{m} times the amount \textit{x} is invested again at 20% compound interest for the same time period is (y+1)(y + 1) times Rs. 880. Which of the following option(s) is/are incorrect?

(i) m=4(y+1)m = 4(y + 1)

(ii) x=Rs. 500x = \text{Rs. } 500

(iii) x=Rs. 1500x = \text{Rs. } 1500

Options

A.

(a) Both (i) and (ii)

B.

(b) Both (i) and (iii)

C.

(c) Both (ii) and (iii)

D.

(d) Only (iii)

E.

(e) None of these

compound interestalgebrabanking examrbi grade b

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