Maths Practice Question and Answer

Q:

Directions: The bar graph given below shows the spending of family income on various items and savings during 1993. Observe the graph and answer the following questions:

The savings of the family is more than that of expenditure incurred on: 

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  • 1
    housing
    Correct
    Wrong
  • 2
    clothing
    Correct
    Wrong
  • 3
    transport
    Correct
    Wrong
  • 4
    others
    Correct
    Wrong
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Answer : 1. "housing "

Q:

The distance between the coordinates ( x,y)  from the original point will be

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  • 1
    $$ {x^2 +y^2} $$
    Correct
    Wrong
  • 2
    $$\sqrt { {x^2 +y^2} } \ $$
    Correct
    Wrong
  • 3
    $$\sqrt { {x^2 - y^2} } \ $$
    Correct
    Wrong
  • 4
    $$\sqrt { {x + y} } \ $$
    Correct
    Wrong
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Answer : 2. "$$\sqrt { {x^2 +y^2} } \ $$"

Q:

Raju, Shobha and Mohan can do a work in 15 days, 20 days and 25 days respectively. In how many days, will the work be finished, if they do it on alternate days?

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  • 1
    $$15{9\over 10}$$ days
    Correct
    Wrong
  • 2
    $$18{7\over 10}$$ days
    Correct
    Wrong
  • 3
    $$21{7\over 10}$$ days
    Correct
    Wrong
  • 4
    $$18{9\over 10}$$ days
    Correct
    Wrong
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Answer : 4. "$$18{9\over 10}$$ days"

Q:

A and B can together complete a task 40 days. They worked together for 30 days and then left. A finished the remaining task in next 22 days. In how many days A alone can finish the task?

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  • 1
    88 days
    Correct
    Wrong
  • 2
    48 days
    Correct
    Wrong
  • 3
    30 days
    Correct
    Wrong
  • 4
    40 days
    Correct
    Wrong
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Answer : 1. "88 days"

Q:

Percentage of decrease in the number of accidents from May to June is:

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  • 1

    Correct
    Wrong
  • 2

    Correct
    Wrong
  • 3

    Correct
    Wrong
  • 4

    Correct
    Wrong
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Answer : 4. "

"

Q:

The perimeter of a square and equilateral triangle is the same. If the diagonal of the square is $$ {6 \ sqrt {2}} $$ cm, then the area (square cm) of the triangle is

1870 0

  • 1
    $$ {9\sqrt{3}}$$
    Correct
    Wrong
  • 2
    $$ {16\sqrt{3}}$$
    Correct
    Wrong
  • 3
    $$ {6\sqrt{3}}$$
    Correct
    Wrong
  • 4
    $$ {4\sqrt{3}}$$
    Correct
    Wrong
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Answer : 2. "$$ {16\sqrt{3}}$$"

Q:

If 4A=6B =5C; then A:B:C is

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  • 1
    20 : 15 : 24
    Correct
    Wrong
  • 2
    15 :10 :12
    Correct
    Wrong
  • 3
    15 : 20 :24
    Correct
    Wrong
  • 4
    24 : 20 :15
    Correct
    Wrong
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Answer : 2. "15 :10 :12"

Q:

A, B and C contract a work for Rs. 550. Together A and B are to do 7/11 of the work. The share of C should be?

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  • 1
    $$ 7{3\over4}$$
    Correct
    Wrong
  • 2
    $$ 8{4\over5}$$
    Correct
    Wrong
  • 3
    $$ 9{3\over8}$$
    Correct
    Wrong
  • 4
    10
    Correct
    Wrong
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Answer : 2. "$$ 8{4\over5}$$"

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