1.

Hi please me help me yarr ​

Answer»

ong>Answer:

Here, a=1,80,000, d=10000

tn= a+(n-1)d

250000=180000+(n-1)×10000

250000=180000+10000n-10000

=10000n+190000

-3N. =190000+250000

= -60000

-3n. = -60000

n. =-60000/ -3

n. =20000



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