What is the correct answer?

4

What are the least number of square tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad ?

614

714

814

914

Correct Answer :

C. 814

In this type of questions, first we need to calculate the area of tiles. With we can get by obtaining the length of largest tile.
Length of largest tile can be obtained from HCF of length and breadth.
So lets solve this,
Length of largest tile = HCF of (1517 cm and 902 cm)
= 41 cm
Required number of tiles =

Related Questions

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4

The length of a rectangular polt is 20 metres more than its breadth. If the cost fencing the plot Rs.26.50 per metre Rs.5300, what is the length of the plot in metres?

40 m

50 m

120 m

None of these

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4

A farmer wishes to start a 100 sq. m. rectangular vegetable garden. Since he has only 30 meter barbed wire, he fences three sides of the garden letting his house compound wall act as the fourth side fencing. Then find the dimension of the garden.

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4

The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes, then the area of the park (in sq. m) is

$153500{m}^{2}$

$152500{m}^{2}$

$153800{m}^{2}$

$153600{m}^{2}$

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4

A courtyard is 25 meter long and 16 meter board is to be paved with bricks of dimensions 20 cm by 10 cm. The total number of bricks required is

20000

23000

25000

26000

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4

A rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered.If the area of the field is 680 sq.ft, how many feet of fencing will be required ?

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4

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

55 m

56 m

57 m

58 m

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4

What are the least number of square tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad ?

614

714

814

914

What is the correct answer?

4

The length of a rectangular plot is 60% more than its breadth. If the diffrent between the length and the breadth of that rectangle is 24 cm, what is the area of the rectangle?

2400 sq.cm

2480 sq.cm

2560 sq.cm

None of these

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4

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

15,000

15,500

15,600

16,500

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4

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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4

A towel, when bleached, was found to have lost 20% of its length and 10% of its breadth. The percentage of decrease in area is ?

27%

28%

29%

30%

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4

What will be the cost of gardening 1 meter boundary around a rectangular plot having perimeter of 340 meters at the rate of Rs. 10 per square meter ?

3410

3420

3430

3440

What is the correct answer?

4

The Diagonals of two squares are in the ratio of 2:5. find the ratio of their areas.

$4:15$

$4:25$

$3:15$

$3:25$

What is the correct answer?

4

The percentage increase in the area of a rectangle, if each of its sides is increased by 20% is

$44%$

$45%$

$34%$

$35%$

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4

Area of a Rectangular park is 2400 sq.meter. If length of the park decreases 5 meters the area decreases 20 sq.meters. Perimeter of the park is-

200cm

150cm

180cm

100cm

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4

50 square stone slabs of equal size were needed to cover a floor area of 72 sq.m. Find the length of each stone slab.

110 cm

115 cm

120 cm

125 cm

What is the correct answer?

4

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

46 sq.ft

81 sq.ft

126 sq.ft

252 sq.ft

What is the correct answer?

4

The breadth of a rectangular field is 60% of its length. If the perimeter of the field is 800 m,what is the area of the field?

18750 sq.m

37500 sq.m

40000 sq.m

48000 sq.m

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4

The perimeters of two squares are 40 cm and 32 cm. Find the perimeter of a third square whose area is equal to the difference of the areas of the two squares .

What is the correct answer?

4

The diffrence between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m,then its area is:

1520 ${m}^{2}$

2420 ${m}^{2}$

2480 ${m}^{2}$

2520 ${m}^{2}$

What is the correct answer?

4

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?

7 cm

7.1 cm

7.2 cm

7.3 cm

What is the correct answer?

4

50 cm

64 cm

124 cm

120 cm