If the interest on 1700 rupees is 340 rupees for 2 years the rate of interest must be ......... .
(i) 12 %
(ii) 15 %
(iii) 4 %
(iv) 10 %

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Solution

Given:
Principal (P) = 1700 rupees,
Total interest (I) = 340 rupees
Time (T) = 2 years

Rate of interest (R) = $\frac{I \times 100}{P \times T}$
$= \frac{340 \times 100}{1700 \times 2}$
= 10%
Hence, the correct option is (iv).

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If the interest on 1700 rupees is 340 rupees for 2 years the rate of interest must be ......... . (i) 12 % (ii) 15 % (iii) 4 % (iv) 10 %

Given: Principal (P) = 1700 rupees, Total interest (I) = 340 rupees Time (T) = 2 years Rate of interest (R) = I×100P×T =340×1001700×2 = 10% Hence, the correct option is (iv).

If the interest on 1700 rupees is 340 rupees for 2 years the rate of interest must be ......... .
(i) 12 %
(ii) 15 %
(iii) 4 %
(iv) 10 %

Given:
Principal (P) = 1700 rupees,
Total interest (I) = 340 rupees
Time (T) = 2 years

Rate of interest (R) = $\frac{I \times 100}{P \times T}$
$= \frac{340 \times 100}{1700 \times 2}$
= 10%
Hence, the correct option is (iv).