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Home Aptitude Volume and Surface Area Comments

  • Question
  • Triangle ?XYZ is similar to ?PQR. If XY:PQ=5:1. If Area of ?PQR is 5 sq cm, what is the area (in sq cm) of ?XYZ?


  • Options
  • A. 125
  • B. 120
  • C. 100
  • D. 64

  • Correct Answer
  • 125 

  • Tags: Bank Exams

    Volume and Surface Area problems


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    • 1. ? XYZ is right angled at Y. If m?Z = 30°. What is the length of YZ (in cm), if ZX = 9 cm?

    • Options
    • A. 6?3
    • B. 9?3/2
    • C. 3?3
    • D. 18
    • Discuss
    • 2. D and E are points on side AB and AC of ?ABC. DE is parallel to BC. If AD:DB = 1:2 and area of ?ABC is 45 sq cm, what is the area (in sq cm) of quadrilateral BDEC?

    • Options
    • A. 20
    • B. 40
    • C. 15
    • D. 30
    • Discuss
    • 3. If ax - 4y = -6 has a slope of -3/2. What is the value of a?

    • Options
    • A. 6
    • B. 3
    • C. -6
    • D. -3
    • Discuss
    • 4. The co-ordinates of the centroid of a triangle ABC are (2 , 2). What are the co-ordinates of vertex C if co-ordinates of A and B are (7 , -1) and (1 , 2) respectively?

    • Options
    • A. (-2 , 5)
    • B. (2 , 5)
    • C. (-2 , -5)
    • D. (2 , -5)
    • Discuss
    • 5. What is the reflection of the point (-3, 1) in the line x = -2?

    • Options
    • A. (-1 , 1)
    • B. (-3 , -5)
    • C. (1 , 1)
    • D. (-3 , 5)
    • Discuss
    • 6. If the length of a chord of a circle is equal to that of the radius of the circle, then the angle subtended, in radians, at the centre of the circle by chord is

    • Options
    • A. 1
    • B. ?/2
    • C. ?/3
    • D. ?/4
    • Discuss
    • 7. In ?ABC, ?B is right angle, D is the mid point of the side AC. If AB = 6 cm, BC = 8cm, then the length of BD is

    • Options
    • A. 4 cm
    • B. 5 cm
    • C. 8 cm
    • D. 12 cm
    • Discuss
    • 8. AB is a chord of the circle and its center is ?O?. ON is perpendicular to AB. If the length of AB=20 cm, ON-(2?11) cm, find the radius (in cm) of the circle.

    • Options
    • A. 10
    • B. 12
    • C. 13
    • D. 15
    • Discuss
    • 9. The largest chord of the circle has a length of 20.4 cm. The radius of the circle will be _____.

    • Options
    • A. 10.2 cm
    • B. > 10.2 cm
    • C. >=10.2 cm
    • D. <10.2 cm
    • Discuss
    • 10. The area of a semicircle is 1925 cm2. Calculate its perimeter (in cm).

    • Options
    • A. 360
    • B. 80
    • C. 160
    • D. 180
    • Discuss


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