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1). 142). 163). 284). 20 |
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Answer» <P>Let suppose that principal is P Difference between S.I and C.I is (D) = Rs. 18 The rate of interest (R) = 10% ⇒? $(\frac{R}{{100\;}} = \;\sqrt {\frac{D}{P}} )$ ⇒? $(\frac{10}{{100\;}} = \;\sqrt {\frac{18}{P}} )$ P = 1800 Amount compounded half yearly = Rs. [1800 × (1 + 5/100)4] = Rs. 2187.91 = Rs. 2188 ⇒ C.I. = Rs. (2188 – 1800) = Rs. 388 ⇒ S.I. = Rs. (1800 × 10 × 2)/100 = Rs. 360 ∴ C.I – S.I = Rs. (388 – 360) = Rs. 28 |
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