For every birthday Sahil's parents put as many money in rupees in a piggy bank as his age in years. There are ` 55 total in the piggy bank. How old is he?
(A) 15 years old (B) (C) (D)
For every birthday Sahil's parents put as many money in rupees in a piggy bank as his age in years. There are ` 55 total in the piggy bank. How old is he?
(A) 15 years old (B) (C) (D)