Area(Quantitative Aptitude ) Questions and Answers

Question 1.

  1. A square piece of ground is 65 metres long. The cost of fencing it around with 5 lines of wire at the line of Rs 1.35 per metre is :

  1.    Rs.1732
  2.    Rs. 1745
  3.    Rs.1755
  4.    Rs.1765
Explanation:-
Answer: Option C. -> Rs.1755
Question 2.

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  1.    mlml
  2.    ftftf
  3.    uiui
  4.    drtdr
Explanation:-
Answer: Option D. -> drtdr

uiuh

Question 3.

  1. A man walks around a rectangular garden 82 m by 68 m at the rate of 2.5 km per hour. What is the time taken by the man in making five rounds of it?

  1.    30 min.
  2.    36 min.
  3.    42 min.
  4.    none of these
Explanation:-
Answer: Option B. -> 36 min.
Question 4.

  1. The length of a diagonal of a rectangle with sides a and b is

  1.    a2 – b2 
  2.    a2 + b2 
  3.    2(a + b)
  4.    none of these
Explanation:-
Answer: Option D. -> none of these
Question 5.

  1. A rectangular park is 65 m long and 50 m wide. Two cross-paths each 2 m wide are to be constructed parallel to the sides. If these paths pass through the centre of the rectangle and the cost of construction is Rs 17.25 per sq. metre, find the total cost of construction.

  1.    Rs. 3528.50
  2.    Rs. 3678.50
  3.    Rs.3898.50
  4.    none of these
Explanation:-
Answer: Option C. -> Rs.3898.50
Question 6.

  1. The area of a regular hexagon of side 2a is

  1.    \(2\sqrt{3} a^{2}\)
  2.    \(3\sqrt{2} a^{2}\)
  3.    \(6\sqrt{3} a^{2}\)
  4.    \(3\sqrt{6} a^{2}\)
Explanation:-
Answer: Option C. -> \(6\sqrt{3} a^{2}\)
Question 7.

  1. ABC is a triangle and AD is one of its medians. If E is the midpoint of the median AD, then area of ∆AEB is

  1.    \(\frac{1}{2}\times area of\triangle ABC\)
  2.    \(\frac{1}{3}\times area of\triangle ABC\)
  3.    \(\frac{1}{4}\times area of\triangle ABC\)
  4.    \frac{3}{2}\times area of\triangle ABC
Explanation:-
Answer: Option C. -> \(\frac{1}{4}\times area of\triangle ABC\)
Question 8.

  1. The length of the diagonal of a square whose area is 24200 m2 is

  1.    180 m
  2.    200 m
  3.    220 m
  4.    240 m
Explanation:-
Answer: Option C. -> 220 m
Question 9.

  1. A lawn 150 m long and 120 m broad has a path 5 m wide running inside it. The cost of covering the path with stone at 45 paise per square metre is

  1.    Rs 1070
  2.    Rs 1170
  3.    Rs 1270
  4.     none of these
Explanation:-
Answer: Option B. -> Rs 1170
Question 10.

  1. The length and breadth of a room are in the ratio 5 : 3. The cost of whitewashing the walls at the rate of 10 paise per sq. metre is Rs 16. If height of the room is 5 m, then the length and breadth are :

  1.    6 m , 10 m
  2.    10 m , 6 m
  3.    8 m , 11 m
  4.    11 m , 8 m
Explanation:-
Answer: Option B. -> 10 m , 6 m
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