Maths Practice Question and Answer

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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  • 1
    6
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    8
    Correct
    Wrong
  • 4
    7
    Correct
    Wrong
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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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  • 1
    3 : 4
    Correct
    Wrong
  • 2
    4 : 3
    Correct
    Wrong
  • 3
    9 : 16
    Correct
    Wrong
  • 4
    16 : 9
    Correct
    Wrong
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Answer : 1. "3 : 4 "

Q:

3 4 10 33 136 ? 183

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  • 1
    700
    Correct
    Wrong
  • 2
    590
    Correct
    Wrong
  • 3
    695
    Correct
    Wrong
  • 4
    685
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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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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  • 1
    -2
    Correct
    Wrong
  • 2
    4
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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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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  • 1
    Rs.72800
    Correct
    Wrong
  • 2
    Rs.69680
    Correct
    Wrong
  • 3
    Rs.84560
    Correct
    Wrong
  • 4
    Rs.78400
    Correct
    Wrong
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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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  • 1
    70%
    Correct
    Wrong
  • 2
    72%
    Correct
    Wrong
  • 3
    76%
    Correct
    Wrong
  • 4
    75%
    Correct
    Wrong
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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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  • 1
    5 : 2
    Correct
    Wrong
  • 2
    3 : 4
    Correct
    Wrong
  • 3
    4: 3
    Correct
    Wrong
  • 4
    2 : 5
    Correct
    Wrong
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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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  • 1
    C
    Correct
    Wrong
  • 2
    D
    Correct
    Wrong
  • 3
    F
    Correct
    Wrong
  • 4
    A
    Correct
    Wrong
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Answer : 4. "A"

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