(Sample Material) CSAT Online Coaching : Basic Numeracy "Unitary Method"

IAS EXAM

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Subject: Basic Numeracy

Topic: Unitary Method

1. If ‘m’ men can do a piece of work in ‘d’ days, then (m + 2) men can do the same work in what time? and dd days

2. A garrison of 400 men has provision for 30 days. However a reinforcement of 100 men arrived. The food will now last for.

(a) 27 days
(b) 21 days
(c) 24 days
(d) 28 days

3. If 18 birds make 18 nests in 18 days, then 1 bird will make 1 nest in how many days?

(a) 1 day
(b) 18 days
(c) 12 days
(d) 6 days

4. If 8 men or 12 women can do a piece of work in 52 days. In how many days can 12 men and 8 women do the same piece of work?

(a) 28 days
(b) 24 days
(c) 25 days
(d) 30 days

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