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

Subject: Area 3

**Part 3: List for questions and answers of Area**

**Q1. An error 2% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is:**

a) 1.04

b) 2.04

c) 3.04

d) 4.04

**Q2. The ratio between the perimeter and the breadth of a rectangle is 5 : 1. If the area of the ****rectangle is 216 sq. cm, what is the length of the rectangle?**

a) 16

b) 18

c) 20

d) 22

**Q3. The base of a parallelogram is twice its height. If the area of the parallelogram is 72 sq. cm, find its height**

a) 6

b) 7

c) 8

d) 9

**Q4. A 3 by 4 rectangle is inscribed in circle. What is the circumference of the circle?**

a) 2.5π

b) 3π

c) 5π

d) 4π

**Q5. The ratio of the area of a square to that of the square drawn on its diagonal is**

a) 1:2

b) 2;3

c) 3:1

d) 4:1

**Q6. The ratios of areas of two squares, one having its diagonal double than the other is**

a) 2:1

b) 2:3

c) 3:1

d) 4:1

** **

**Q7. The percentage increase in the area of a rectangle, if each of its sides is increased by 20%**

a) 22%

b) 33%

c) 44%

d) 55%

**Q8. The inner circumference of a circular race track, 14 m wide, is 440 m. Find radius of the outer circle**

a) 44

b) 22

c) 33

d) 84

**Q9. A wheel makes 1000 revolutions in covering a distance of 88 km. Find the radius of the wheel.**

a) 14

b) 13

c) 12

d) 11

**Q10. A room of 5m 44cm long and 3m 74cm broad is to be paved with squre tiles. Find the least number of squre tiles required to cover the floor.**

a) 136

b) 146

c) 166

d) 176

**Q11. A circular swimming pool is surrounded by a concrete wall 4ft wide. If the area of the concrete wall surrounding the pool is 11/25 that of the pool, then the radius of the pool is?**

a) 10ft

b) 20ft

c) 30ft

d) 40ft

**Q12. Three circles of radius 3.5cm are placed in such a way that each circle touches the other two. The area of the portion enclosed by the circles is**

a) 1.967

b) 1.867

c) 1.767

d) 1.567

**Q13. What is the least number of squares tiles required to pave the floor of a room 15.17 m long and 9.02 m broad?**

a) 814

b) 714

c) 614

d) 713

**Q14. The area of a circular field is 13.86 hectares. Find the cost of fencing it at the rate of Rs. 4.40 per metre.**

a) 2808

b) 3808

c) 4808

d) 5808

** **

**Q15. The length of the room is 5.5m and width is 3.75m. Find the cost of paving the floor by slabs at the rate of Rs.800 per sq meter**

a) Rs.16500

b) Rs.15500

c) Rs.17500

d) Rs.18500

**Q16. The diameter of the driving wheel of a bus is 140 cm. How many revolution, per minute must the wheel make in order to keep a speed of 66 kmph ?**

a) 150

b) 250

c) 350

d) 550

**Q17. A triangle has a perimeter 13. The two shorter sides have integer lengths equal to x and x + 1. Which of the following could be the length of the other side?**

a) 4

b) 6

c) 8

d) None of the above

**Q18. Find the length of a rope by which a cow must be tethered in order that it may be able to graze an area of 9856 sq meters.**

a) 56m

b) 16m

c) 14m

d) 76m

**Q19. A rectangular grassy plot 110m by 65cm has a gravel path .5cm wide all round it on the inside. Find the cost of gravelling the path at 80 paise per sq.mt**

a) 680rs

b) 480rs

c) 340rs

d) 320rs

**Q20. Find the area of a right-angled triangle whose base is 12 cm and hypotenuse is 13cm.**

a) 30

b) 40

c) 50

d) 60

**Part 3: List for questions and answers of Area**

Q1. Answer: d

Q2. Answer: b

Q3. Answer: a

Q4. Answer: c

Q5. Answer: a

Q6. Answer: d

Q7. Answer: c

Q8. Answer: d

Q9. Answer: a

Q10. Answer: d

Q11. Answer: b

Q12. Answer: a

Q13. Answer: a

Q14. Answer: d

Q15. Answer: a

Q16. Answer: b

Q17. Answer: b

Q18. Answer: a

Q19. Answer: a

Q20. Answer: a