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Arithmetic Aptitude :: Area

  1. A 20 m long, and 15 m broad hall is surrounded by a verandah with a uniform width of 2.5 m. Find the cost of flooring the verandah at Rs. 3.50 per square meter.

  2. A.
    Rs.500
    B.
    Rs.600
    C.
    Rs.700
    D.
    Rs.800

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  3. The height of a room to its semi-perimeter is 2: 5. It costs Rs. 260 to paper the walls of the room with paper 50 cm wide at Rs. 2 per meter allowing an area of 15 cm2 for doors and windows. The height of the room is

  4. A.
    2.6 m
    B.
    3.9 m
    C.
    4 m
    D.
    4.2 m

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  5. The area of a rectangular plot is increased by 30% and its width remains as it was before. What will be the ratio between the area of the new rectangle and the original rectangle?

  6. A.
    10: 3
    B.
    13: 10
    C.
    7: 3
    D.
    Data inadequate

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  7. If the wheel of an engine of a train 4Area Aptitudemeters in circumference makes seven revolutions in 4 seconds, what is the speed of the train?

  8. A.
    25 km/hr
    B.
    27 km/hr
    C.
    30 km/hr
    D.
    35 km/hr

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  9. If the height of a triangle is decreased by 40% and its base is increased by 40%. What will be the effect on its area?

  10. A.
    No change
    B.
    16% increase
    C.
    8% increase
    D.
    16% decrease

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  11. A blanket, when bleached, decreases in length by 20% and in breadth by 15%. What is the percentage decrease in its area?

  12. A.
    32 %
    B.
    42 %
    C.
    35 %
    D.
    45 %

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  13. The difference between the length and breadth of a rectangle is 25 meters. If the perimeter of this rectangle is 210 meters, what is its area?

  14. A.
    3600 m2
    B.
    2600 m2
    C.
    3000 m2
    D.
    2000 m2

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  15. The side of a rhombus is 25 m, and one of its diagonal is 30 meters. What is its area?

  16. A.
    400 sq. m.
    B.
    450 sq. m.
    C.
    500 sq. m.
    D.
    600 sq. m.

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  17. The area of a parallelogram is 162 square meters. If its altitude is twice the corresponding base, find the length of the base?

  18. A.
    8 meters
    B.
    7 meters
    C.
    9 meters
    D.
    10 meters

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  19. The area of a trapezium is 1500 sq. m. If the parallel sides are in the ratio of 12: 18 and the distance between the parallel sides is 32 meters, what is the length of the smaller parallel side?

  20. A.
    3.3 meters
    B.
    4.5 meters
    C.
    5.3 meters
    D.
    6.5 meters

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