Maths Practice Question and Answer
8 Q:Directions: Study the following table carefully to answer the questions that follow Number of Gold coins (in hundred) produced in Five Different companies during Six Different month.

Number of Gold coins produced from company R in the month May was approximately what percentage of the number of Gold coins produced in the company T in the month March?
1191 05fd9c8b389d4575ab490d7db
5fd9c8b389d4575ab490d7db- 185true
- 295false
- 360false
- 440false
- 575false
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Answer : 1. "85 "
Q: On a certain Principal if the Simple interest for two years is Rs 4800 and Compound interest for the two years is Rs 5088, what is the rate of Interest?
1190 062ce925368acf4630561c359
62ce925368acf4630561c359- 112 percenttrue
- 218 percentfalse
- 36 percentfalse
- 424 percentfalse
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Answer : 1. "12 percent"
Q: The LCM of four consecutive numbers is 60 The sum of the first two numbers is equal to the fourth number. What is the sum of four numbers?
1190 06400902386fd4161466a44c5
6400902386fd4161466a44c5- 117false
- 214true
- 321false
- 424false
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Answer : 2. "14"
Q: A certain sum, invested at 4% per annum compound interest, compounded half yearly, amounts to Rs. 7,803 at the end of one year. The sum is:
1190 0643e76ae2d621da1169a28b4
643e76ae2d621da1169a28b4- 1Rs. 7,000false
- 2Rs. 7,200false
- 3Rs. 7,500true
- 4Rs. 7,700false
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Answer : 3. "Rs. 7,500"
Q: A metallic solid spherical ball of radius 3 cm is melted and recast into three spherical balls. The radii of two of these balls are 2 cm and 1.5 cm. What is the surface area (in cm2) of the third ball?
1189 064c8d7148f85ca715581d14b
64c8d7148f85ca715581d14b- 150 πfalse
- 2$${25\over 4}π$$false
- 3$$25 π$$true
- 4$${25\over 2}π$$false
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Answer : 3. "$$25 π$$"
Q: If m = – 4, n = – 2, then the value of m3 – 3m2 + 3m + 3n + 3n2 + n3 is
1189 064660782c899b466f455f5f4
64660782c899b466f455f5f4- 1– 126true
- 2124false
- 3– 124false
- 4126false
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Answer : 1. "– 126 "
Q: The average of twenty-five numbers is 54. The average of the first 13 numbers and that of the last 13 numbers is 52.8 and 62.2, respectively. If the 13th number is excluded, then what is the average of the remaining numbers (correct to one decimal place)?
1189 064c7634942082e8c9b7a7fb1
64c7634942082e8c9b7a7fb1- 150.6false
- 249.8false
- 351.2false
- 450.2true
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Answer : 4. "50.2"
Q: If x = 222, y = 223 and z = 224, then find the value of x3+y3+z3-3xyz
1189 064872971b50f5316a455b8c6
64872971b50f5316a455b8c6- 12007true
- 22005false
- 32006false
- 42004false
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