a alone can do a piece of work in 35 days. if b is 40% more efficient than a, then b will finish the work in how many days
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3
Answer:
25 days
Step-by-step explanation:
100 A = 35 days
100 B = y days (1)
wkt,
100 B = 140 A [GIVEN] (2)
⇒ sub (2) in (1),
we get,
140 A = y days
∴ 100 : 140 :: y : 35
⇒ y = (100 × 35) ÷ 140
y = 25 days
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0
Step-by-step explanation:
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