Ramkali saved in the first week of a year and then increased her weekly savings by

MATHEMATICS · Subjective · CBSE · Mathematics · Arithmetic Progressions · Arithmetic Progressions

Problem

20. Ramkali saved

₹ 5

in the first week of a year and then increased her weekly savings by

₹ 1.75

. If in the

n

th week, her weekly savings become ₹ 20.75 , find

n