Maths Practice Question and Answer

Q:

If the length of the three sides of a triangle are 6 cm, 8 cm, and 10 cm,  then the length of the median to its greatest side is

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  • 1
    8 cm
    Correct
    Wrong
  • 2
    6 cm
    Correct
    Wrong
  • 3
    5 cm
    Correct
    Wrong
  • 4
    4.8 cm
    Correct
    Wrong
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Answer : 3. "5 cm"

Q: On selling 17 balls at Rs. 720, there is a loss equal to the cost price of 5 balls. The cost price of a ball is ? 2815 0

  • 1
    Rs. 55
    Correct
    Wrong
  • 2
    Rs. 60
    Correct
    Wrong
  • 3
    Rs. 65
    Correct
    Wrong
  • 4
    Rs. 70
    Correct
    Wrong
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Answer : 2. "Rs. 60"
Explanation :

Answer: B) Rs. 60 Explanation: Let the cost price of a ball is Rs.xGiven, on selling 17 balls at Rs. 720, there is a loss equal to the cost price of 5 ballsThe equation is :17x - 720 = 5xSolving the equation we get x = 60Therefore, cost price of a ball is Rs. 60.

Q:

Four runners started running simultaneously from a point on a circular track. They took 200 seconds, 300 seconds, 360 seconds and 450 seconds to complete one round. After how much time do they meet at the starting point for the first time? 

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  • 1
    3600 sec.
    Correct
    Wrong
  • 2
    2400 sec.
    Correct
    Wrong
  • 3
    1800 sec.
    Correct
    Wrong
  • 4
    4800 sec.
    Correct
    Wrong
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Answer : 3. "1800 sec. "

Q:

A certain number when divided by 175 leaves a remainder 132. When the same number is divided by 25, the remainder is:

2809 0

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

Q:

Arun buys one kilogram of apples for Rs . 120 and sells it to Swati gaining 25 %. Swati sells it to Divya and Divya again sells it for Rs. 198, making a profit of 10 %. What is the profit percentage made by Swati? 

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  • 1
    25 %
    Correct
    Wrong
  • 2
    20 %
    Correct
    Wrong
  • 3
    16.67 %
    Correct
    Wrong
  • 4
    15 %
    Correct
    Wrong
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Answer : 2. "20 % "

Q:

Directions:Study the following table carefully to answer these questions:

Percentage of Marks obtained by six students in six subjects

What is the ratio between total marks obtained by D in Biology, Maths and English together and the total marks obtained by F in these subjects together respectively?

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  • 1
    209 : 215
    Correct
    Wrong
  • 2
    215 : 209
    Correct
    Wrong
  • 3
    206 : 223
    Correct
    Wrong
  • 4
    223 : 206
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "209 : 215 "

Q:

The smallest perfect square divisible by each of 6, 12 and 18 is : 

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  • 1
    196
    Correct
    Wrong
  • 2
    144
    Correct
    Wrong
  • 3
    108
    Correct
    Wrong
  • 4
    36
    Correct
    Wrong
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Answer : 4. "36 "

Q:

What is the value of x and y in these equations 7x-2y=8 and 3x+4y=18.

2804 0

  • 1
    x=2, y=4
    Correct
    Wrong
  • 2
    x=1, y=4
    Correct
    Wrong
  • 3
    x=3, y=2
    Correct
    Wrong
  • 4
    x=2, y=3
    Correct
    Wrong
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Answer : 4. "x=2, y=3"

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