The sum of n terms of two A.P.'s are in the ratio 5n + 9 : 9n + 6. Then, the ratio of their 18th term is
A. 176/321
B. 178/321
C. 175/321
D.176/321
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The sum of n terms of two A.P's are in the ratio 5n+9:9n+6. Then, the ratio of their 18th term is: 179/321
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1
Answer:
b will be the answe r. okay
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