Question

1. At what rate per cent per annum will 400 yield an interest of 78 in 1 year

2. In what time will 400 amount to 512 if the simple interest is calculated at 14% p.a.?

3. Rajesh borrowed 2000 from Sam at 8% per annum. After 6 years he cleared the amount by giving
cash and a watch. Find the cost of the watch.​

Answer 1

Answer:

1. 19.5%

2. 2 year

explanation..

1. si=p*r*t/100

78=400*r*1/100

=78/4

=19.5%

2.intrest is 112 rs

si=p*r*t/100

112=400*14*t/100

112=56t

t=2years

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