(Study Material) RRB NTPC (Tier -2) Exam (Numerical Aptitude) - Unitary Method

(Study Material) RRB NTPC (Tier -2) Exam (Numerical Aptitude) - Unitary Method

1. A camp of 3000 soldiers has provision for 60 days. After 15 days how many soldiers must leave so that the prevision may last for 75 days?

(a) 1200
(b) 1400
(c) 1300
(d) 1500

2. If 24 men working 9 h a day can do a piece of work in 36 days, in how many days will 18 men working 6 h a day do double the work?

(a) 144 days
(b) 120 days
(c) 136 days
(d) 152 days

3. A camel can walk a certain distance in a desert in 48 days when it rests at an Oasis 6 h each day. How long will the camel take to walk half the distance, if it walks at half the speed and rests twice as long each day?

(a) 66 days
(b) 72 days
(c) 76 days
(d) 68 days

4. 5 men can complete a work in 12 days and 9 women take 20 days to complete the same work. How many days will 6 men and 12 women take to complete the work?

(a) 8 days
(b) 6 days
(c) 4 days
(d) 7 days

5. 6 men and 10 children can do a piece of work in 24 days. A child takes double the time to do a work than the man. In how many days 8 men can complete the work?

(a) 33 days
(b) 36 days
(c) 32 days
(d) 39 days

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