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Quantitative Aptitude

MENSURATION MCQs

Regular Polygons, Triangles, Circles

Total Questions : 254 | Page 22 of 26 pages
Question 211. PQR is an equilateral triangle. MN is drawn parallel to QR such that M is on PQ and N is on PR. If PN = 6 cm, then the length of MN is:
  1.    3 cm
  2.    6 cm
  3.    12 cm
  4.    4.5 cm
 Discuss Question
Answer: Option B. -> 6 cm
Question 212. If in ΔABC, DE || BC, AB = 7.5 cm BD = 6 cm and DE = 2 cm then the length of BC in cm is:
  1.    6 cm
  2.    8 cm
  3.    10 cm
  4.    10.5 cm
 Discuss Question
Answer: Option C. -> 10 cm
Question 213. Incenter of ΔABC is I. ∠ABC = 90° and ∠ACB = 70°. ∠BIC is:
  1.    115°
  2.    100°
  3.    110°
  4.    105°
 Discuss Question
Answer: Option B. -> 100°
Question 214. Which of the set of three sides can't form a triangle?
  1.    5cm, 6cm, 7cm
  2.    5cm, 8cm, 15cm
  3.    8cm, 15cm, 18cm
  4.    6cm, 7cm, 11cm
 Discuss Question
Answer: Option B. -> 5cm, 8cm, 15cm
Question 215. The orthocenter of a triangle is the point where?
  1.    The medians meet
  2.    The altitudes meet
  3.    The right bisectors of the sides of
  4.    The bisectors of the angles
 Discuss Question
Answer: Option B. -> The altitudes meet
Question 216. Possible length of the sides of a triangle are:
  1.    2cm, 3cm, 6cm
  2.    3cm, 4cm, 5cm
  3.    2.5cm, 3.5cm, 6cm
  4.    4cm, 4cm, 9cm
 Discuss Question
Answer: Option B. -> 3cm, 4cm, 5cm
Question 217. The centroid of a triangle is G. If area of ΔABC = 72 sq. unit, then the area of ΔBGC is?
  1.    16 sq. units
  2.    24 sq. units
  3.    36 sq. units
  4.    48 sq. units
 Discuss Question
Answer: Option B. -> 24 sq. units
Question 218. Three sides of a triangle are 5 cm, 9 cm and x cm. The minimum integral value of x is:
  1.    2
  2.    3
  3.    4
  4.    6
 Discuss Question
Answer: Option D. -> 6
Question 219. ABC is an isosceles triangle inscribed in a circle. If AB = AC = 12$$\sqrt 5 $$ and BC = 24 cm then radius of circle is:
  1.    10 cm
  2.    15 cm
  3.    12 cm
  4.    14 cm
 Discuss Question
Answer: Option B. -> 15 cm
Question 220. In a right angled triangle ΔDEF, if the length of the hypotenuse EF is 12 cm, then the length of the median DX is:
  1.    3 cm
  2.    4 cm
  3.    6 cm
  4.    12 cm
 Discuss Question
Answer: Option C. -> 6 cm

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