Maths Practice Question and Answer
8 Q: A rectangular LCD has an area of 480 $${{cm^2}}$$ and a perimeter of 92 $${{cm^2}}$$ . If the size of the LCD is defined of the diagonal, then what the size of the LCD?
897 0643d14fc32185cce373eee1d
643d14fc32185cce373eee1d- 134 cmtrue
- 239 cmfalse
- 331 cmfalse
- 435 cmfalse
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Answer : 1. "34 cm"
Q: Simplify the following expression.
12 + 2.5 + (1.5 of 4) - 2.6
748 0643d146c5e6b046f1b03745c
643d146c5e6b046f1b03745c12 + 2.5 + (1.5 of 4) - 2.6
- 117.9true
- 218.9false
- 318.1false
- 417.1false
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Answer : 1. "17.9"
Q: If $$A={{2^7×3^7}}$$, $$B={{2^7×3^5}}$$ and $$C={{2^8×3^4}}$$, then what is the least common multiple of A, B and C?
673 0643d139c19f0af16e38b95d7
643d139c19f0af16e38b95d7- 1$${{2^7×3^7}}$$false
- 2$${{2^6×3^7}}$$false
- 3$${{2^8×3^7}}$$true
- 4$${{2^9×3^7}}$$false
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Answer : 3. "$${{2^8×3^7}}$$"
Q: The heights of six people are given as 6 feet 6 inches, 6 feet, 5 feet 8 inches, 6 feet 2 inches, 6 feet 4 inches, and 5 feet 10 inches, respectively. Find the average height of these six people.
787 0643d131a19f0af16e38b95a4
643d131a19f0af16e38b95a4- 16 feet 4 inchfalse
- 26 feetfalse
- 36 feet 1 inchtrue
- 46 feet 6 inchfalse
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Answer : 3. "6 feet 1 inch"
Q: The following table shows the number of bundles of iron bars of 5 different brands sold from a shop during a given week.
The number of iron bars in each bundle of B1 and B3 is 5. The number of iron bars in each bundle of B2, B4 and B5 is 4. What is the total number of iron bars sold from the shop during that week of all the 5 brands taken together?
769 0643d11de2d621da11696c4c9
643d11de2d621da11696c4c9- 11100true
- 21200false
- 31150false
- 41250false
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Answer : 1. "1100"
Q: If a store room of a house is in the shape of a cuboid having a length of 3 m, a width of 2 m, and a height of 4m, find the total area of its four walls.
666 0643d11281ce944a93ea928f3
643d11281ce944a93ea928f3- 1$${{50cm^2}}$$false
- 2$${{20cm^2}}$$false
- 3$${{40cm^2}}$$true
- 4$${{24cm^2}}$$false
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Answer : 3. "$${{40cm^2}}$$"
Q: The value of $$3{2\over7}+14{4\over9}+5{3\over9}$$ is:
785 06433dbf32b960e1a41a5abdf
6433dbf32b960e1a41a5abdf- 1$$21{4\over63}$$false
- 2$$25{4\over63}$$false
- 3$$23{4\over63}$$false
- 4$$22{4\over63}$$true
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Answer : 4. "$$22{4\over63}$$"
Q: A work can be completed by 20 men in 50 days. 30 more men join them after 10 days of work. How many days will be saved in completion of the work?
904 06433db38a16c2dfa9cdb03f3
6433db38a16c2dfa9cdb03f3- 118 daysfalse
- 220 daysfalse
- 324 daystrue
- 428 daysfalse
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