A starts a business with rs 25000. after few months b join him with rs 20000. if the ratio of their profit after 1 year is 15:8 find after how many months b joined a?
a.2 months
b.6 months
c.4 months
d.8 months
e.none of these
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25×12=300
15=300
=20 times than
8 ratio×20times=160
than answer is 6months
15=300
=20 times than
8 ratio×20times=160
than answer is 6months
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