Question

Amman Saving Rs 32 during the first year Rs 36 in the second year and in this way he increases his saving by Rs 4 every year. find in what time his Saving will be Rs 200

Answer 1

In 50 times rs 4 saving every year

Answer 2

Answer:

Step-by-step explanation:

Using Arithmetic Progression.

Given:

n= no. of years.

a=32.              (first year)

a2=36.         (second year)

d=a2-a.   (difference of the savings per year)

d=36-32=4.

an=200.      (total he saves)

an=a+(n-1)d. (putting the value in this formula and solve for n)

200=32+(n-1)4.

200-32=(n-1)4.

168=(n-1)4.

168/4=n-1.

42=n-1.

42+1=n.

n=43years.

Hence in 43 years he will be able to save 200rs if he started savings from 32rs first years.

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