Question

subba Rao started work in 1995 at an annual salary of rupee 5000 And receive an increment of rupee 200 each year . In which year did his income reach rupee 7000

Answer 1

His first income is =5000
let the a =5000
here different (D)is given =20
His income become 7000 in year n
An= a+(n-1)D
7000=5000+(n-1)200
2000=(n-1)200
10=n-1
11=n
no. of years to reach the sallery of 7000 is 11 years ..
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Answer 2

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