Question

MATHS CLASS 10 AIRTHEMATIC PROGRESSION Q A.P.​

Answer 1

the amount she puts in piggy bank is in an ap.

1,2,3...31 since there are 31 days in January.

sum of the money she put in her piggy bank

s(n) = n/2*(first term + last term)

= 31/2*(1+31)

= 31/2*32

= 31*16

= 496

She also spent rupees 204 and had 100 rupees left with her.

Total pocket money= 496+204+100

= 800