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  • Question
  • The inner circumference of a circular race track, 14 m wide, is 440 m. Find radius of the outer circle


  • Options
  • A. 44
  • B. 22
  • C. 33
  • D. 84

  • Correct Answer
  • 84 

    Explanation

    Let inner radius be r metres. Then, 2 ? r = 440 ; r =  440 × 7 44 = 70 m.

    Radius of outer circle = (70 + 14) m = 84 m.

  • Tags: Bank Exams, Bank PO

    Area problems


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    • 1. The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is:

    • Options
    • A. 2520
    • B. 2420
    • C. 2320
    • D. 2620
    • Discuss
    • 2. The length of a room is 5.5 m and width is 3.75 m. Find the cost of paying the floor by slabs at the rate of Rs. 800 per sq.metre.

    • Options
    • A. Rs.15500
    • B. Rs.16500
    • C. Rs.17500
    • D. Rs.18500
    • Discuss
    • 3. The cost of fencing a square field @ Rs. 20 per metre is Rs.10.080.How much will it cost to lay a three meter wide pavement along the fencing inside the field @ Rs. 50 per sq m

    • Options
    • A. 53800
    • B. 43800
    • C. 83800
    • D. 73800
    • Discuss
    • 4. A rectangular lawn 55m by 35m has two roads each 4m wide running in the middle of it. One parallel to the length and the other parallel to breadth. The cost of graveling the roads at 75 paise per sq meter is

    • Options
    • A. rs.58
    • B. rs.158
    • C. rs.258
    • D. rs.358
    • Discuss
    • 5. A man runs round a circular field of radius 50m at the speed of 12 km/hr. What is the time taken by the man to take twenty rounds of the field?

    • Options
    • A. 220/7 min
    • B. 110/7 min
    • C. 90/7 min
    • D. 230/7 min
    • Discuss
    • 6. The length of a rectangle is twice its breadth. If its length is decreased by 5 cm and breadth is increased by 5 cm, the area of the rectangle is increased by 75 sq.cm. Find the length of the rectangle?

    • Options
    • A. 10cm
    • B. 20cm
    • C. 30cm
    • D. 40cm
    • Discuss
    • 7. The area of a rectangle is 460 square metres. If the length is 15% more than the breadth, what is the breadth of the rectangular field?

    • Options
    • A. 20 m
    • B. 30 m
    • C. 40 m
    • D. 50 m
    • Discuss
    • 8. A circular piece of thin wire is converted into a rhombus of side 11 cm. Find the diameter of the circular piece?

    • Options
    • A. 28 cm
    • B. 3.5 cm
    • C. 7 cm
    • D. 14 cm
    • Discuss
    • 9. The area of a circle of radius 5 is numerically what percent its circumference?

    • Options
    • A. 150%
    • B. 250%
    • C. 350%
    • D. 450%
    • Discuss
    • 10. Find the length of a rope by which a cow must be tethered in order that it may be able to graze an area of 9856 sq meters.

    • Options
    • A. 56m
    • B. 16m
    • C. 14m
    • D. 76m
    • Discuss


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