Maths Practice Question and Answer
8 Q: If the sum of the squares of three consecutive natural numbers is 110, then the smallest of these natural numbers is:
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5ef023f06d3c5c4869f2a158- 16false
- 25true
- 38false
- 47false
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Answer : 2. "5 "
Q: The ratio between heights of two-cylinder is in the ratio of 3:5. Their volumes are in the ratio 27:80. Find the ratio between their radius.
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60916e1d8ab6116292342e77- 13 : 4true
- 24 : 3false
- 39 : 16false
- 416 : 9false
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Answer : 1. "3 : 4 "
Q: 3 4 10 33 136 ? 183
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62c69d879ac8916f08cb88c7- 1700false
- 2590false
- 3695false
- 4685true
- 5None of thesefalse
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Answer : 4. "685"
Q: If $$ {(x-5)^{2} +{(y-2)^{2}}+{(z-9)^{2}=0}}$$ then what is the value of (x+y-z)?
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5fb39ce6b61cee693a77affe- 1-2true
- 24false
- 33false
- 41false
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Answer : 1. "-2"
Q: The value of a machine depreciates at the rate of 10% per annum. It was purchased 3 years ago. If its present value is Rs.53071.20, the purchase price of the machine was:
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6024e9e6835ee1737390482b- 1Rs.72800true
- 2Rs.69680false
- 3Rs.84560false
- 4Rs.78400false
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Answer : 1. "Rs.72800"
Q: A basket contains 300 mangoes. 75 Mangoes were distributed among some student. Find the percentage of mangoes left in the basket.
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638dd2e934f83f14728d54ba- 170%false
- 272%false
- 376%false
- 475%true
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Answer : 4. "75%"
Q: The average monthly salary of all the employees in a company is ₹ 12,000. Among them the average salary of male employees is ₹15,000 and that of female employees is ₹8000. Accordingly, what is the ratio of male and female employees?
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6321b4954eed097ecb5222e0- 15 : 2false
- 23 : 4false
- 34: 3true
- 42 : 5false
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Answer : 3. "4: 3"
Q:Directions : The graph shows the demand and production of different companies. Study the graph and answer the following questions.

What is the lowest production company?
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5f4f73630c72eb2349337ad6- 1Cfalse
- 2Dfalse
- 3Ffalse
- 4Atrue
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