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  • Question
  • The base of a parallelogram is twice its height. If the area of the parallelogram is 72 sq. cm, find its height


  • Options
  • A. 6
  • B. 7
  • C. 8
  • D. 9

  • Correct Answer


  • Explanation

    Let the height of the parallelogram be x. cm. Then, base = (2x) cm.

    2 x × x = 72 = > 2 x 2 = 72 = > x = 6  

  • Tags: Bank Exams, Bank PO

    Area problems


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    • 1. Area of a square and a rectangle are equal. If side of the square is 40 cm and length of the rectangle is 64 cm, what is the perimeter of the rectangle ?

    • Options
    • A. 187 cm
    • B. 178 cm
    • C. 149 cm
    • D. 194 cm
    • Discuss
    • 2. The ratio between the length and breadth of a rectangular field is 5 : 4 if the breadth is 20m less than the length, the perimeter of the field is :

    • Options
    • A. 260m
    • B. 280m
    • C. 360m
    • D. none of these
    • Discuss
    • 3. The dimensions of a room are 10m x 7m x 5m. There are 2 doors and 3 windows in the room. The dimensions of the doors are 1m x 3m. One window is of size 2m x 1.5m and the other 2 windows are of size 1m x 1.5m. The cost of painting the walls at Rs. 3 per sq m is

    • Options
    • A. Rs.174
    • B. Rs.274
    • C. Rs.374
    • D. Rs.474
    • Discuss
    • 4. Three circles of radius 3.5cm are placed in such a way that each circle touches the other two. The area of the portion enclosed by the circles is

    • Options
    • A. 1.967
    • B. 1.867
    • C. 1.767
    • D. 1.567
    • Discuss
    • 5. The ratio between the perimeter and the breadth of a rectangle is 5 : 1. If the area of the rectangle is 216 sq. cm, what is the length of the rectangle?

    • Options
    • A. 16
    • B. 18
    • C. 20
    • D. 22
    • Discuss
    • 6. The area of a square is equal to the area of a rectangle. The length of the rectangle is 5 cm more than a side of the square and its breadth is 3 cm less than the side of the square. What is the perimeter of the rectangle ?

    • Options
    • A. 15 cm
    • B. 18 cm
    • C. 34 cm
    • D. 26 cm
    • Discuss
    • 7. The question given below contain two statements giving certain data. You have to decide whether the data given in the statements are sufficient for answering the question ? Question : What is the height of a right-angled triangle ? Statements : A. The area of the triangle is 20 times its base. B. The perimeter of the triangle is equal to that of a square of the side 10 cm.

    • Options
    • A. Only statement A is required
    • B. Only statement B is required
    • C. Both A & B are required
    • D. Neither (A) nor (B) is reuired
    • Discuss
    • 8. A room is half as long again as it is broad. The cost of carpeting the at Rs. 5 per sq.m is Rs. 270 and the cost of papering the four walls at Rs. 10 per sq.m is Rs. 1720. If a door and 2 windows occupy 8 sq. m, find the dimensions of the room.

    • Options
    • A. b=6; l=18; H=6
    • B. b=5; l=6; H=18
    • C. l=6; b=18; H=15
    • D. l=5; b=18; H=18
    • Discuss
    • 9. 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
    • 10. 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


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