EASY
SSC CGL Tier 1
IMPORTANT
Earn 100

The area of a rhombus is 196 cm2 and one of its diagonals is double the other. The length of the longer diagonal is ______.

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Important Questions on Area

EASY
SSC CGL Tier 1
IMPORTANT
Arithmetic Subjective and Objective for Competitive Examinations>Chapter 23 - Area>EXERCISE 23A>Q 116
The perimeter of a rhombus is 52 cm and the length of its longer diagonal is 24 cm. The length of smaller diagonal is______.
EASY
SSC CGL Tier 1
IMPORTANT
Arithmetic Subjective and Objective for Competitive Examinations>Chapter 23 - Area>EXERCISE 23A>Q 117
Each side of a rhombus is 10 cm long and one of its diagonals is of length 16 cm. The area of the rhombus is _______.
EASY
SSC CGL Tier 1
IMPORTANT
Arithmetic Subjective and Objective for Competitive Examinations>Chapter 23 - Area>EXERCISE 23A>Q 118
Each side of a rhombus is 20 cm long and its shorter diagonal is three-fourth of its longer diagonal. The area of the rhombus is ______.
EASY
SSC CGL Tier 1
IMPORTANT
Arithmetic Subjective and Objective for Competitive Examinations>Chapter 23 - Area>EXERCISE 23A>Q 119
The perimeter of a square circumscribed about a circle of radius a is ______.
EASY
SSC CGL Tier 1
IMPORTANT
Arithmetic Subjective and Objective for Competitive Examinations>Chapter 23 - Area>EXERCISE 23A>Q 120
The ratio of the areas of circles inscribed and circumscribed about an equilateral triangle is_______.
EASY
SSC CGL Tier 1
IMPORTANT
Arithmetic Subjective and Objective for Competitive Examinations>Chapter 23 - Area>EXERCISE 23A>Q 121

In the adjoining figure if the radius of each of the four outer circles is r, what is the radius of the inner circle?

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EASY
SSC CGL Tier 1
IMPORTANT
Arithmetic Subjective and Objective for Competitive Examinations>Chapter 23 - Area>EXERCISE 23A>Q 122
A typist uses a paper (30 cm×15 cm). He leaves a margin of 2.5 cm at the top and at the bottom and 1.25 cm on either side. What percentage of paper area is approximately available for typing ?
EASY
SSC CGL Tier 1
IMPORTANT
Arithmetic Subjective and Objective for Competitive Examinations>Chapter 23 - Area>EXERCISE 23B>Q 1
In a circle of radius 28 cm, an arc subtends an angle of 72° at the centre. Find the length of arc and area of the sector so formed. Use π=227