Question

30. X works twice as fast as Y if both of them can
together finish a piece of work in 12 days then Y
alone can do it in
(a) 24 days
(b) 27 days
(c) 36 days (d) 48 days
31. A garrison of 900 men had provisions for 42
days. However, a reinforcement of 500 men ar
rived. For how many days will the food last now?
(a) 18 days (b) 24 days
(c) 30 days (d) 27 days​

Answer 1

" (c) 36 days

(d) 27 days

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