Directions (Qs. 1 - 10): Study the following Questions carefully and choose the right answer:
1. 12 men and 15 women can do a piece of work in 24 days. In how many days can the work be done by 10 men and 12 women working together?
A) 12 B) 16 C) 18 D) Can't be determined E) None of these
Explanation: The given information is not enough to answer the question.
Ans: D
2. 100 Men were employed to finish a work in 180 days. After 60 days it was found that only 1/5 of the work was done. How many more men must be employed to finish the work in the stipulated time?
A) 100 B) 200 C) 300 D) 150 E) None of these
4. 20 women can complete a work in 14 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?
5. Anamika can do a piece of work in 30 days and Anjali can do the same work in 40 days. Anjali starts the work alone and works for 15 days and left the work. After that remaining work completed by Anamika and Arun
6. 10 men complete any work in 8 days and 16 women complete same work in 10 days. 8 women start the work and stop working after 4 days. How many men will complete the remaining work in 4 days?
A) 15 men B) 20 men C) 16 men D) 12 men E) None of these
Explanation: According to the question, 10m × 8 = 16w × 10 1m = 2w ⇒8 women = 4 men Let ‘x’ men complete the remaining work in 4 days. 10 × 8 = (4 × 4) + (4 × x) 80 = 16 + 4x 4x = 64 ⇒ x = 16 men
Ans: C
7. Aman, Naman and Kamal can do a piece of work in 6 hours. Aman and Naman can do the same work in 8 hours and Naman and Kamal can do the same work in 12 hours. In how many times will Aman and Kamal do the same work?
A) 6 hours B) 8 hours C) 10 hours D) 12 hours E) 15 hours
8. A can do a piece of work in 24 days, B is 20% more efficient than A. If C can do the work in 10 more days than B. In how many days can A and C do the whole work together?
9. 6 men and 6 women together can complete a piece of work in 6 days. In how many days can 15 men alone complete the same work if 9 women alone can complete it in 10 days?
A) 5 B) 6 C) 7 D) Can't be determined E) None of these
10. 4 goats or 6 sheeps can graze a field in 50 days. 2 goats and 9 sheeps can graze the field in.....
a) 100 days B) 75 days C) 50 days D) 25 days E) 45 days
Explanation: To solve this question, we can apply a short trick approach
