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  • Question

  • ?ABC is similar to ?PQR. If ratio of perimeter of ?ABC : perimeter of ?PQR is 5:9 and if PQ = 45 cm, then the length of AB (in cm) is?


  • Options
  • A. 15
  • B. 20
  • C. 25
  • D. 16

  • Correct Answer
  • 25 

    • Tags: Bank Exams

    Area problems

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    • 1. Area of 4 walls of a cuboid 400 sq cm, its length is 15 cm and height is 8 cm. What is its breadth (in cm)?

    • Options
    • A. 12
    • B. 20
    • C. 24
    • D. 10
      • Discuss
    • 2. The length of a rectangle is increased by 25%. To maintain the same area, the breadth has to be decreased by

    • Options
    • A. 20%
    • B. 25%
    • C. 30%
    • D. 40%
      • Discuss
    • 3. The least number that must be subtracted from 1294 so that the remainder when divided by 9, 11, 13 will leave in each case the same remainder 6 is:

    • Options
    • A. 2
    • B. 3
    • C. 1
    • D. 4
      • Discuss
    • 4. The least number that must be subtracted from 1294 so that the remainder when divided by 9, 11, 13 will leave in each case the same remainder 6 is:

    • Options
    • A. 2
    • B. 3
    • C. 1
    • D. 4
      • Discuss
    • 5. The length of the base of an isosceles triangle is 2x2y+4z, and its perimeter is 4x2y+6z. Then the length of each of the equal sides is

    • Options
    • A. x+y
    • B. x+y+z
    • C. 2(x+y)
    • D. x+z
      • Discuss
    • 6. D and E are points on side AB and AC of ?ABC. DE is parallel to BC. If AD:DB = 2:5 and area of ?ABC is 98 cm sq, what is the area (in sq cm) of quadrilateral BDEC?

    • Options
    • A. 90
    • B. 98
    • C. 94
    • D. 86
      • Discuss
    • 7. If the parallel sides of a trapezium are 8 cm and 4 cm, M and N are the mid points of the diagonals of the trapezium, then length of MN is

    • Options
    • A. 12 cm
    • B. 6 cm
    • C. 1 cm
    • D. 2 cm
      • Discuss
    • 8. An equilateral triangle of side 6 cm is inscribed in a circle. Then radius of the circle is

    • Options
    • A. 2?3 cm
    • B. 3?2 cm
    • C. 4?3 cm
    • D. ?3 cm
      • Discuss
    • 9. ?ABC is an isosceles right angled triangle having ?C = 90°. If D is any point on AB, then AD2+ BD2 is equal to

    • Options
    • A. CD2
    • B. 2CD2
    • C. 3CD2
    • D. 4CD2
      • Discuss
    • 10. ABCDEF is a regular hexagon of side 12 cm. What is the area (in cm2) of the triangle ECD?

    • Options
    • A. 18?3
    • B. 24?3
    • C. 36?3
    • D. 42?3
      • Discuss

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