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  • Question
  • A class is 6 meters 24 centimeters in length and 4 meters 32 centimeters in width. Find the least number of square tiles of equal size required to cover the entire floor of the class room ?


  • Options
  • A. 115
  • B. 117
  • C. 116
  • D. 114

  • Correct Answer
  • 117 

    Explanation

    Length = 6 m 24 cm = 624 cm
    Width = 4 m 32 cm = 432 cm
    HCF of 624 and 432 = 48
    Number of square tiles required = (624 x 432)/(48 x 48) = 13 x 9 = 117.

  • Tags: AIEEE, Bank Exams, CAT, Bank Clerk, Bank PO

    Area problems


    Search Results


    • 1. The edge of three cubes of metal is 3 m, 4 m and 5 m. They are melted and formed into a single cube. Find the edge of the new cube ?

    • Options
    • A. 15 m
    • B. 4 m
    • C. 6 m
    • D. 9 m
    • Discuss
    • 2. 2 metres broad pathway is to be constructed around a rectangular plot on the inside. The area of the plots is 96 sq.m. The rate of construction is Rs. 50 per square metre. Find the total cost of the construction?

    • Options
    • A. 20
    • B. 30
    • C. 40
    • D. data is inadequate
    • Discuss
    • 3. A triangle has a perimeter 13. The two shorter sides have integer lengths equal to x and x + 1. Which of the following could be the length of the other side?

    • Options
    • A. 4
    • B. 6
    • C. 8
    • D. None of the above
    • Discuss
    • 4. A 3 by 4 rectangle is inscribed in circle. What is the circumference of the circle?

    • Options
    • A. 2.5?
    • B. 3?
    • C. 5?
    • D. 4?
    • Discuss
    • 5. The perimeter of a rectangle is 160 cm. The rectangle is 4 times longer than wide. What are the length and width of this rectangle?

    • Options
    • A. l=65;b=16
    • B. l=16;b=64
    • C. l=64;b=16
    • D. l=16;b=48
    • Discuss
    • 6. Calculate the number of bricks, each measuring 25 cm x 15 cm x 8 cm required to construct a wall of dimensions 10 m x 4 cm x 6 m when 10% of its volume is occupied by mortar ?

    • Options
    • A. 720
    • B. 600
    • C. 660
    • D. 6000
    • Discuss
    • 7. Chord AB of a circle when extended meets the tangent to the circle at point P. PT is the tangent touching the circle at point T. If lengths of PT and PB are 6 cm and 4 cm respectively, what is the length of PA?

    • Options
    • A. 12 cm
    • B. 11 cm
    • C. 10 cm
    • D. 9 cm
    • Discuss
    • 8. Two concentric circles form a ring. The inner and outer circumference of the ring are 352/7 m and 528/7m respectively.Find the width of the ring.

    • Options
    • A. 5
    • B. 4
    • C. 3
    • D. 2
    • Discuss
    • 9. The perimeters of two squares are 40cm and 32 cm. Find the perimeter of a third square whose area is equal to the difference of the areas of the two squares.

    • Options
    • A. 12
    • B. 24
    • C. 36
    • D. 48
    • Discuss
    • 10. A cow s tethered in the middle of a field with a 14feet long rope.If the cow grazes 100 sq feet per day, then approximately what time will be taken by the cow to graze the whole field?

    • Options
    • A. 616
    • B. 716
    • C. 816
    • D. 516
    • Discuss


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