### Quantitative Aptitude - Area

#### Question - 1

One of the diagonals of a rhombus is double the other diagonal. Its area is 25 sq. cm. The sum of the diagonals is:

• A 10 cm
• B 12 cm
• C 15 cm
• D 16 cm

#### Question - 2

The perimeter of a rhombus is 56 m and its height is 5 m. Its area is:

• A 64 sq. m
• B 70 sq. m
• C 78 sq. m
• D 84 sq. m

#### Question - 3

If the diagonals of a rhombus are 24 cm and 10 cm, the area and the perimeter of the rhombus are respectively:

• A 120 cm2, 52 cm
• B 120 cm2, 64 cm
• C 240 cm2, 52 cm
• D 240 cm2 , 64 cm

#### Question - 4

Each side of a rhombus is 26 cm and one of its diagonals is 48 cm long. The area of the rhombus is:

• A 240 cm2
• B 300 cm2
• C 360 cm2
• D 480 cm2

#### Question - 5

The length of the one diagonal of a rhombus is 80% of the other diagonal. The area of the rhombus is how many times the square of the length of the other diagonal?

• A $\frac { 4 }{ 5 }$
• B $\frac { 2 }{ 5 }$
• C $\frac { 3 }{ 4 }$
• D $\frac { 1 }{ 4 }$

#### Question - 6

The length of a room is 5.5 m and width is 3.75 m.Find the cost of paying the floor by slabs at the rate of Rs.800 per sq.metre.

• A Rs.15,000
• B Rs. 15.550
• C Rs. 15,600
• D Rs. 16,500

#### Question - 7

The length of a rectangle is 18 cm and its breadth is 10 cm. When the length is increased to 25 cm, what will be the breadth of the rectangle if the area remains the same?

• A 7 cm
• B 7.1 cm
• C 7.2 cm
• D 7.3 cm

#### Question - 8

A rectangular plot measuring 90 metres by 50 metres is to be enclosed by wire fencing. If the poles of the fence are kept 5 metres apart, how many poles will be needed?

• A 55
• B 56
• C 57
• D 58

#### Question - 9

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?

• A 2400 sq.cm
• B 2480 sq.cm
• C 2560 sq.cm
• D Data inadequate
• E None of These

#### Question - 10

A rectangular parking space is marked out by painting three of its sides. If the length of the unpainted side is 9 feet, and the sum of the lengths of the painted sides is 37 feet, then what is the area of the parking space in square feet?

• A 46
• B 81
• C 126
• D 252