Advertisements
Advertisements
Question
Find the time in which Rs.1200 will amount to Rs.1536 at 3.5% per year.
Solution
A = Rs.1536
P = Rs.1200
I = A − P
= Rs.1536 − Rs.1200
= Rs.336
We know that :
T = `(100xx"I")/("P"xx"R")`
`=(100xx336)/(1200xx3.5)=(100xx336xx10)/(1200xx35)` ......`[∵1/3.5=10/35]`
`=(28xx10)/35` = 8 years
APPEARS IN
RELATED QUESTIONS
Find the interest and the amount on:
₹ 2,600 in 2 years 3 months at 1% per month.
The interest on a certain sum of money is Rs. 1,480 in 2 years and at 10 percent per year. Find the sum of money.
At what rate per cent per annum will Rs. 630 produce an interest of Rs. 126 in 4 years ?
At what rate, percent per year will a sum double itself in `6 1/4` years?
In what time will the interest on a certain sum of money at 6% be `5/8` of itself?
Mohan lends Rs.4800 to John for `4 1/2` years and Rs.2500 to Shy am for 6 years and receives a total sum of Rs.2196 as interest. Find the rate percent per annum, it being the same in both the cases.
Rupees 4000 amount to Rs.5000 in 8 years; in what time will Rs.2100 amount to Rs.2800 at the same rate?
What sum of money lent at 6.5% per annum will produce the same interest in 4 years as Rs.7500 produce in 6 years at 5% per annum?
A certain sum amounts to Rs.3825 in 4 years and to Rs.4050 in 6 years. Find the rate percent and the sum.
If the interest on Rs.2400 is more than the interest on Rs.2000 by Rs.60 in 3 years at the same rate percent; find the rate.
