A rectangular courtyard 3.78 m long and 5.25 m broad is to be paved exactly with square tiles, all of the same sizes. The minimum number of such tiles is: A.350 B.450 C.460 D.470 Answer and Feedback Answer:B Feedback:l = 378 Cm and b = 525 CmMaximum length of a square tile= HCF of (378,525) = 21 CmNumber of tiles = (378×525)/(21×21) = (18×25) = 450 Questions in to this exercise. Do you want test? Practice Areas Online Test 3 | Englishfreetest.com Test Share this post some other questions in the test. The ratio of the area of two square, one having and double its diagonal than the other is? 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: A hall is 15 m long and 12 m broad. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls,the volume of the hall is: What is the area of a square field whose side of length 15 m? A rectangular courtyard 3.78 m long and 5.25 m broad is to be paved exactly with square tiles, all of the same sizes. The minimum number of such tiles is: A man walking at the rate of 6km per hour crosses a square field diagonally in 9 seconds the area of the field is If the length of a rectangle is halved and its breadth is tripled, what is the percentage change in its area? Find the surface area of a 10 cm × 4 cm × 3 cm brick. A hollow iron pipe is 21 cm long and its external diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weighs 8 g/cm3, then the weight of the pipe is: If the length of a certain rectangle is decreased by 4 cm and the width is increased by 3 cm, a square with the same area as the original rectangle would result.Find the perimeter of the original rectangle. Some other questions you may be interested in. Seismic waves are classified in four types - P-waves (primary), S-waves (secondary), Love waves (surface waves) and this type. This earthquake occurred on August 17, 1999, and had a magnitude of 7.4. The reported number of casualties was approximately 17,000. Where did this disaster take place? The 2004 Indian Ocean earthquake was an undersea earthquake that generated a tsunami, which claimed the lives of more than 150,000 people (this is true). The earthquake lasted nearly ten minutes. Elder mothers have higher chances of conceiving twins. A mother will give birth to this kind of twins if a single fertilized egg splits after conception. The first recorded successful operation to separate a pair of conjoined twins took place in this year. The term Siamese twins comes from the famous case of Eng and Chang Bunker, who were conjoined twin brothers, born in Thailand in 1811. The chances of having twins in the 21st century are ...? The case of identical twins of different sex is extremely rare. The development of their gender starts 5 weeks after the moment of conceiving. A twin fetus which does not develop during pregnancy is called this.
