Maths Practice Question and Answer

Q:

The income of A is 25% more than that of B and the income of C is 65% less than the sum of the incomes of A and B. Income of C is what percent less than the income of A?

1988 0

  • 1
    32
    Correct
    Wrong
  • 2
    37
    Correct
    Wrong
  • 3
    35
    Correct
    Wrong
  • 4
    28
    Correct
    Wrong
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Answer : 2. "37"

Q:

A trade buys 800 kgs of tomatoes for Rs 7200.  10% tomatoes are damaged in transportation. At what rate (Rs / kg) should he sell the rest earn 30 % profit? 

1987 0

  • 1
    10
    Correct
    Wrong
  • 2
    12
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    13
    Correct
    Wrong
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Answer : 4. "13 "

Q:

An Aeroplan flying horizontally at a height of 3 km. Above the ground is observed at a certain point on earth to subtend an angle of 60 °. After 15 sec flight, its angle of elevation is changed to 30 °. The speed of the Aeroplan (taking √3 = 1.732) 

1987 0

  • 1
    235.93 m/sec.
    Correct
    Wrong
  • 2
    236.25 m/sec.
    Correct
    Wrong
  • 3
    230.63 m/sec.
    Correct
    Wrong
  • 4
    230.93 m/sec.
    Correct
    Wrong
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Answer : 4. "230.93 m/sec. "

Q:

 A student scored 32 % marks in science subjects out of 300. How much should he score in language papers out of 200 if he is to get overall 46 % marks? 

1987 0

  • 1
    66 %
    Correct
    Wrong
  • 2
    60 %
    Correct
    Wrong
  • 3
    72 %
    Correct
    Wrong
  • 4
    67 %
    Correct
    Wrong
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Answer : 4. "67 % "

Q:

The following pie chart shows proportion of the population of seven villages n 2009. Study the pie chart and answer question that follows:



In 2010, the population of ‘Y’ and ‘V’ increase by 10% each and the percentage of population below poverty line remains unchanged for all the villages. If in 2009, the population of village Y was 30,000 then the below poverty line population of village ‘V’ in 2010 is-

1987 1

  • 1
    11250
    Correct
    Wrong
  • 2
    12760
    Correct
    Wrong
  • 3
    13140
    Correct
    Wrong
  • 4
    13780
    Correct
    Wrong
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Answer : 2. "12760"

Q:

The ratio of marks obtained by Rajesh, Rakesh and Ramesh in an exam is 2 : 4 : 9. What are the marks obtained by Rakesh and Ramesh, if Rajesh scored 30 marks in the exam? 

1987 0

  • 1
    Rakesh = 40, Ramesh = 90
    Correct
    Wrong
  • 2
    Rakesh = 60, Ramesh = 135
    Correct
    Wrong
  • 3
    Rakesh = 120, Ramesh = 180
    Correct
    Wrong
  • 4
    Rakesh = 90, Ramesh = 40
    Correct
    Wrong
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Answer : 2. "Rakesh = 60, Ramesh = 135"

Q:

How many numbers can be completely divided to 240?

1987 0

  • 1
    40
    Correct
    Wrong
  • 2
    20
    Correct
    Wrong
  • 3
    35
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 2. "20"

Q:

Direction : What should come in place of the question (?) in the following question.

(47 × 588) ÷ ( 28 × 120)=?

1986 0

  • 1
    6.284
    Correct
    Wrong
  • 2
    7.625
    Correct
    Wrong
  • 3
    8.225
    Correct
    Wrong
  • 4
    8.285
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 3. "8.225"

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