Maths Practice Question and Answer

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Answer : 4. "16"

Q:

The difference between simple interest and compound on Rs. 1200 for one year at 10% per annum reckoned half-yearly is:

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  • 1
    Rs. 2.50
    Correct
    Wrong
  • 2
    Rs. 3
    Correct
    Wrong
  • 3
    Rs. 3.75
    Correct
    Wrong
  • 4
    Rs. 4
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 2. "Rs. 3"

Q:

How many number are there from 700 to 950 (Including both) which are neither divisible by 3 nor by 7?

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  • 1
    107
    Correct
    Wrong
  • 2
    141
    Correct
    Wrong
  • 3
    144
    Correct
    Wrong
  • 4
    145
    Correct
    Wrong
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Answer : 3. "144"

Q:

The length and breadth of a rectangular field are in the ratio of 3 : 2 . If the perimeter of the field is 80 m, its breadth (in meters) is: 

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  • 1
    18
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    10
    Correct
    Wrong
  • 4
    24
    Correct
    Wrong
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Answer : 2. "16"

Q:

If x2+y2-4x-4y+8=0, then the value of x-y is: 

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  • 1
    0
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    -4
    Correct
    Wrong
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Answer : 1. "0"

Q:

A fruit merchant makes a profit of 25% by selling mangoes at a certain price. If he charges Re. 1 more on each mango, he would gain 50%. At first the price of one mango was

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  • 1
    Rs. 4
    Correct
    Wrong
  • 2
    Rs. 6
    Correct
    Wrong
  • 3
    Rs. 5
    Correct
    Wrong
  • 4
    Rs. 7
    Correct
    Wrong
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Answer : 3. "Rs. 5 "
Explanation :

Q:

If one root of the equation $$ {Ax^2+Bx+C=0}$$ is two and a half times the others, then which of the following is True?

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  • 1
    $$ {7B^2=3CA}$$
    Correct
    Wrong
  • 2
    $$ {7B^2=4CA}$$
    Correct
    Wrong
  • 3
    $$ {7B^2=36CA}$$
    Correct
    Wrong
  • 4
    $$ {10B^2=49CA}$$
    Correct
    Wrong
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Answer : 4. "$$ {10B^2=49CA}$$"

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