a=180000 , d= 10, 000 , n=?
tn= 2,50,000 Rs
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3
Answer:
N = 8
Step-by-step explanation:
Tn=250000
A= 180000
D=10000
N=?
Tn = a+(n-1)d
250000 = 180000 + (n-1)10000
250000 = 180000 + 10000n - 10000.
250000 = 170000 + 10000n
250000 - 170000 = 10000n
80000 = 10000n
Therefore n = 80000/10000
n = 8
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