Question

if i saved ₹2 for first day and add rs 2 and i saved 4 another day and third day i saved 6 it increases rs 2 day by day like first day put 2 in piggy bank 2nd day put rs 4 in piggy bank like 2+4+6+8+10+12+14
days
1+2+3+4+5+6+7

Answer 1

what we are supposed to find