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Quantitative Aptitude

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Total Questions : 2556 | Page 4 of 256 pages
Question 31.

  1. A path 1.4 m wide surrounds a circular garden whose circumference is 176 m. The cost of paving the path at 5 paise per square metre is

  1.    Rs12.63
  2.    Rs 14.25
  3.    Rs 15.73
  4.     none of these
 Discuss Question
Answer: Option A. -> Rs12.63
Question 32.

  1. The length of the minute hand of a wall clock is 10.5 cm. The area swept by the minute hand in 10 minutes time is

  1.    53.75 cm2
  2.    55.75 cm2
  3.    57.75 cm2
  4.    59.75 cm2
 Discuss Question
Answer: Option C. -> 57.75 cm2
Question 33.

  1. A sector of 40° cut out from a circle contains 4\(\frac{5}{18}\)m2. The radius of the circle is

  1.    2.5 cm
  2.    3.5 cm
  3.    4.5 cm
  4.    5.5 cm
 Discuss Question
Answer: Option B. -> 3.5 cm
Question 34.

  1. A wire can be bent in the form of a circle of radius 56 cm. If it is bent in the form of a square, the length of its side would be

  1.    66 cm
  2.    77 cm
  3.    88 cm
  4.    none of these
 Discuss Question
Answer: Option C. -> 88 cm
Question 35.

  1. If the radii of two circles are in the ratio of 2 : 3, the ratio between their areas is

  1.    2 : 5
  2.    5 : 2
  3.    4 : 9
  4.    9 : 4
 Discuss Question
Answer: Option C. -> 4 : 9
Question 36.

  1. A cord in the form of a square encloses area a cm2. If the same cord is bent in the form of a circle, the area of the circle is

  1.    \(\frac{\pi a^{2}}{4}\)
  2.    \(\frac{\pi a^{3}}{4}\)
  3.    \(\frac{a}{4\pi}\)
  4.    \(\frac{4a}{4\pi}\)
 Discuss Question
Answer: Option D. -> \(\frac{4a}{4\pi}\)
Question 37.

  1. If the circumference of a circle is reduced by 50% then the area gets reduced by

  1.    75%
  2.    100%
  3.    125%
  4.    none of these
 Discuss Question
Answer: Option A. -> 75%
Question 38.

  1. A map is drawn to the scale of 120 cm to a kilometre. The number of sq. cm on the map which represents a hectare of ground is

  1.    122
  2.    132
  3.    144
  4.    none of these
 Discuss Question
Answer: Option A. -> 122
Question 39.

  1. The time taken by a man to walk four times around the boundary of a square field containing 9 hectares as area at the rate of 6 km per hour is

  1.    12 min.
  2.    24 min.
  3.    36 min.
  4.    48 min.
 Discuss Question
Answer: Option D. -> 48 min.
Question 40.

  1. The length of sides of a parallelogram are 12 cm and 8 cm and has one diagonal 10 cm long. The approximate length of the other diagonal is

  1.    16.68 cm
  2.    17.78 cm
  3.    18.89 cm
  4.     none of these
 Discuss Question
Answer: Option B. -> 17.78 cm

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