Find rate of interest if principal in $R s . 1500$ , interest in $R s . 600$ , time in $4 y e a r s$ preparing bill.

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Solution

Given $P = R s .1500 S I = R s .600 T = 4$ yrs $R =$ ?
We have $S I = \frac{P \times R \times T}{100}$
$\Rightarrow 600 = \frac{1500 \times R \times 4}{100}$
$\Rightarrow R = \frac{600 \times 100}{1500 \times 4} = 10$ %

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Similar questions

A lent Rs. 600 to B for 2 years, and Rs. 150 to C for 4
years and received altogether from both Rs. 90
as interest. Find the rate of interest, simple interest being calculated.

Find the simple interest, when:
(i) Principal $= R s .2000$ , Rate of Interest $= 5 %$ per annum and Time $= 5$ years.
(ii) Principal $= R s .500$ , Rate of Interest $= 12.5 %$ per annum and Time $= 4$ years.
(iii) Principal $= R s .4500$ , Rate of Interest $= 4 %$ per annum and Time $= 6$ months.
(iv) Principal $= R s .12000$ , Rate of Interest $= 18 %$ per annum and Time $= 4$ months.
(v) Principal $= R s .1000$ , Rate of Interest $= 10 %$ per annum and Time $= 73$ days.

Q. Principal

= R s 1500

, rate

= 12 % p . a,

and time

= 3

years

3

months.Calculate the compound interest

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Find rate of interest if principal in Rs. 1500, interest in Rs. 600, time in 4 years preparing bill.

Given P=Rs.1500SI=Rs.600T=4yrs R=?We have SI=P×R×T100⇒600=1500×R×4100⇒R=600×1001500×4=10%

Find rate of interest if principal in $R s . 1500$ , interest in $R s . 600$ , time in $4 y e a r s$ preparing bill.

Given $P = R s .1500 S I = R s .600 T = 4$ yrs $R =$ ?
We have $S I = \frac{P \times R \times T}{100}$
$\Rightarrow 600 = \frac{1500 \times R \times 4}{100}$
$\Rightarrow R = \frac{600 \times 100}{1500 \times 4} = 10$ %