Maths Practice Question and Answer

Q:

If 4 litres of water is evaporated on boiling from 12 litres of salt solution containing 7 percentage salt, the percentage of salt in the remaining solution is 

2798 0

  • 1
    12 %
    Correct
    Wrong
  • 2
    13 %
    Correct
    Wrong
  • 3
    10.5 %
    Correct
    Wrong
  • 4
    11.5 %
    Correct
    Wrong
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Answer : 3. "10.5 % "

Q:

A person bought 8 quintals of rice for certain rupees. After a week, he sold 3 quintals of rice at 10% profit, 3 quintals of rice with neither profit nor loss and 2 quintals at 5% loss. In this transaction what is the profit? 

2792 0

  • 1
    3.5
    Correct
    Wrong
  • 2
    0.5
    Correct
    Wrong
  • 3
    1.5
    Correct
    Wrong
  • 4
    2.5
    Correct
    Wrong
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Answer : 4. "2.5"

Q:

In a factory, the salary of each worker is increased in the ratio 22 : 25 but the number of workers is decreased by . The net effect on the salary is: 

2789 0

  • 1
    Correct
    Wrong
  • 2
    + 20%
    Correct
    Wrong
  • 3
    Correct
    Wrong
  • 4
    -10%
    Correct
    Wrong
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Answer : 3. ""

Q: Ram’s present age is one-sixth of his father’s age. If the difference between their present ages is 35 years, what is his father’s present age? 2787 0

  • 1
    32 Years
    Correct
    Wrong
  • 2
    42 Years
    Correct
    Wrong
  • 3
    52 Years
    Correct
    Wrong
  • 4
    44 Years
    Correct
    Wrong
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Answer : 2. "42 Years"

Q: A carpet is to be laid in a room of 12m ×8m. measurement. Breath of the carpet is 3m. What should be the length of this carpet? 2786 0

  • 1
    34 mtr
    Correct
    Wrong
  • 2
    32 mtr
    Correct
    Wrong
  • 3
    36 mtr
    Correct
    Wrong
  • 4
    40 mtr
    Correct
    Wrong
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Answer : 2. "32 mtr"
Explanation :

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Q:

The average of 21 consecutive natural numbers is 53. What is the value of the smallest of these 21 numbers?

2777 0

  • 1
    42
    Correct
    Wrong
  • 2
    41
    Correct
    Wrong
  • 3
    43
    Correct
    Wrong
  • 4
    44
    Correct
    Wrong
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Answer : 3. "43"

Q:

What will come in place of question mark(?) in the following number series?
11, 57, 149, 333, 701 (?)

2775 0

  • 1
    1447
    Correct
    Wrong
  • 2
    1347
    Correct
    Wrong
  • 3
    1368
    Correct
    Wrong
  • 4
    1437
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 4. "1437"

Q:

If the profit on selling an article for Rs. 579 is the same as the loss on selling it for Rs. 337, then find the profit percent if its selling price is Rs. 687.

2771 0

  • 1
    245%
    Correct
    Wrong
  • 2
    25%
    Correct
    Wrong
  • 3
    50%
    Correct
    Wrong
  • 4
    27 ½ %
    Correct
    Wrong
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Answer : 3. "50%"

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