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UP TGT Mathematics Commercial Mathematics Test Series - Part 4

A and B together finish a task in 8 days. A alone takes 12 days. How many days does B alone take?

Type: MCQ • Marks: 1
A and B together finish a task in 8 days. A alone takes 12 days. How many days does B alone take?
Options
A. 30 days
B. 18 days
C. 24 days
D. 20 days
Explanation
B's rate = 1/8 − 1/12 = 1/24, so B takes 24 days.
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