1.

anvar save some amount every moth in first three month be save rs 200 rs 250 and rs 300 which month save rs 1000 total amount saved

Answer»

ANSWER:

it is an A.P.

for 1000.

a=200

difference=50

an=1000

1000=200+(n-1)*50

800=50n-50

n=850/50

n=17

after 17 MONTHS he saves RS 1000

total SAVINGS are

(n/2)(a+l)

(17/2)*(200+1000)

17*600=10200



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