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An agricultural field is in the form of a rectangle of length 35 metres and width 15.4 metres. A pit 5.5 metres long, 4 metres wide and 2.5 metres deep is dug in the corner of the field and the earth taken out of the pit is spread uniformly over the remaining area of the field. The extent to which the level of the field has been raised is:

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Important Questions on Mensuration

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CISF Head Constable
IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 46 - Mensuration>EXERCISE>Q 23
The side of a square exceeds the side of the another square by 4 cm and the sum of areas of two squares is 400 sq. cm. Find the dimensions of the square.
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CISF Head Constable
IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 46 - Mensuration>EXERCISE>Q 24
The cost of levelling a rectangular field at the rate of 85 paise per square metre is Rs. 624.75. Then the perimeter of the field if its sides are in the ratio of 5 : 3 is:
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CISF Head Constable
IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 46 - Mensuration>EXERCISE>Q 25
The diagonal of a rectangular field is 15 m and its area is 108 sq. m. What will be the total expenditure in fencing the field at the rate of Rs. 5 per metre?
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CISF Head Constable
IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 46 - Mensuration>EXERCISE>Q 26
The minute hand of a clock is 10 cm long. The area of the face of the clock described by the minute hand between 9 AM and 9:35 AM is:
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CISF Head Constable
IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 46 - Mensuration>EXERCISE>Q 27
The length of a rectangular plot is 60% more than its breadth. If the difference between the length and the breadth of that rectangle is 24 cm, what is the area of that rectangle?
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CISF Head Constable
IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 46 - Mensuration>EXERCISE>Q 28
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?
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CISF Head Constable
IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 46 - Mensuration>EXERCISE>Q 29
The ratio between the length and the breadth of a rectangular field is 3 : 2. If only the length is increased by 5 metres, the new area of the field will be 2600 sq. metres. What is the breadth of the rectangular field?
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CISF Head Constable
IMPORTANT
CISF Head Constable Recruitment Examination>Chapter 46 - Mensuration>EXERCISE>Q 30
If the length and breadth of a rectangular plot be increased by 50% and 20% respectively, then how many times will its area be increased?