RRB Paramedical Staff Nurse Model Paper 4

Question : 60 of 100

Marks: +1, -0

Pratap lent Rs.21600 to be divided between his two sons who aged 9 years and 11 years such that both of them would get an equal amount at certain age when lent at rate of 10% SI per anuum. If their investments are in the ratio of 51 : 57 respectively. Then at what age both received same amount?

15 Years
16 years
18 years
21 years

Validate

Solution:

x+y = 21600

x/y = 51/57

x = 10200 y = 11400

10200+10200*10*(x-9){/}100 = 11400+11400*10*(x-11){/}100

x = 18

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