Aptitude Preparation: Mock Test, IT Campus Placement, Aptitude Questions and Answers

Subject: Chain Rule

**Part 1: List for questions and answers of Chain Rule**

**Q1. pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day?**

a) 9

b) 10

c) 11

d) 12

**Q2. Running at the same constant rate, 6 identical machines can produce a total of 270 bottles per minute. At this rate, how many bottles could 10 such machines produce in 4 minutes?**

a) 648

b) 1800

c) 2700

d) 10800

**Q3. 9 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work?**

a) 10

b) 13

c) 14

d) 15

** **

**Q4. If a quarter kg of potato costs 60 paise, how many paise will 200 gm cost?**

a) 48 paise

b) 54 paise

c) 56 paise

d) 72 paise

**Q5. A wheel that has 6 cogs is meshed with a larger wheel of 14 cogs. When the smaller wheel has made 21 revolutions, then the number of revolutions mad by the larger wheel is:**

a) 4

b) 9

c) 12

d) 49

**Q6. If 7 spiders make 7 webs in 7 days, then 1 spider will make 1 web in how many days?**

a) 1

b) 7

c) 7

d) 49

**Q7. A flagstaff 17.5 m high casts a shadow of length 40.25 m. The height of the building, which casts a shadow of length 28.75 m under similar conditions will be:**

a) 10 m

b) 12.5 m

c) 17.5 m

d) 21.25 m

**Q8. In a camp, there is a meal for 120 men or 200 children. If 150 children have taken the meal, how many men will be catered to with remaining meal?**

a) 20

b) 30

c) 40

d) 50

**Q9. An industrial loom weaves 0.128 metres of cloth every second. Approximately, how many seconds will it take for the loom to weave 25 metres of cloth?**

a) 178

b) 195

c) 204

d) 488

**Q10. 6 men can complete a piece of work in 18 days. In how many days will 27 men complete the same work?**

a) 12

b) 18

c) 22

d) 24

** **

**Q11. 4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 8 mat-weavers in 8 days?**

a) 4

b) 8

c) 12

d) 16

**Q12. If 16 toys cost 240, then what do 40 toys cost ?**

a) Rs.600

b) Rs.620

c) Rs.640

d) Rs.660

**Q13. If the cost of x metres of wire is d rupees, then what is the cost of y metres of wire at the same rate ?**

a) xd

b) yd

c) yd/x

d) x/yd

**Q14. If the price of 23 toys is 276, then what will the price of 12 toys ?**

a) 144

b) 148

c) 156

d) 186

**Q15. If a quarter kg of potato costs 60 paise, how many paise will 200gm cost ?**

a) 45 paise

b) 46 paise

c) 47 paise

d) 48 paise

**Q16. 6 men can complete a piece of work in 18 days. In how many days will 27 men complete the same work ?**

a) 24 days

b) 28 days

c) 34 days

d) 35 days

**Q17. In a dairy farm, 40 cows eat 40 bags of husk in 40 days. In how many days one cow will eat one bag of husk ?**

a) 34 days

b) 40 days

c) 46 days

d) 50 days

**Q18. A military camp has a food reserve for 250 personnel for 40 days. If after 15 days 50 more personnel are added to the camp, find the number of days the reserve will last for?**

a) 20

b) 36

c) 25

d) 42

**Q19. If a quarter kg of onions costs 80 paise, how many paise will 100 gm cost? **

a) 32 paise

b) 44 paise

c) 56 paise

d) 63 paise

**Q20. If 7 spiders make 7 webs in 7 days, then 1 spider will make 1 web in how many days?**

a) 1

b) 3

c) 7

d) 14

**Part 1: List for questions and answers of Chain Rule**

Q1. Answer: d

Q2. Answer: b

Q3. Answer: b

Q4. Answer: a

Q5. Answer: b

Q6. Answer: c

Q7. Answer: b

Q8. Answer: b

Q9. Answer: b

Q10. Answer: d

Q11. Answer: d

Q12. Answer: c

Q13. Answer: c

Q14. Answer: a

Q15. Answer: d

Q16. Answer: a

Q17. Answer: b

Q18. Answer: c

Q19. Answer: a

Q20. Answer: