Question

Mohan lent 20,000 to Rakesh for 11/2 years

and 25,000 to Dinesh for 4 years and
receives a total sum of 19,950 as interest.
Find the rate per cent per annum, if it is
same in both the cases.​

Answer 1

Answer:

Mohan lent rupees 20000 to Rakesh for 5 whole half years and 25000 rupees to Dinesh for 4 years and received a total sum of rs19950 as interest find the rate percent per annum if it is same in both the ...

Step-by-step explanation:

Answer 2

Answer:

In first case

p= 20000

t= 5 1/2= 11/2

r= x%

therefore, S.I= p× r× t/100

= 20000× x × 11/100×2

= 1100x

In second case

p= 25000

t= 4

r= x%

therefore,S.I= p× r× t/100

=25000× x × 4/100

= 1000x

According to statement;

S.I in first case+ S.I in second case = 19950

1100x+ 1000x= 19950

2100x = 19950

x = 19950/2100

x = 9.5%