Maths Practice Question and Answer

Q:

If ABC is an equilateral triangle and P, Q, R respectively denote the middle points of AB, BC, CA, then 

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  • 1
    PQ + QR = PQR + AB
    Correct
    Wrong
  • 2
    PQ + QR = PR + 2AB
    Correct
    Wrong
  • 3
    PQR must be a right angled
    Correct
    Wrong
  • 4
    PQR must be an equilateral triangle
    Correct
    Wrong
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Answer : 4. "PQR must be an equilateral triangle "

Q:

In a village, 70 percent of the households have a mobile. 20 percent of the households have TV and 15 percent of the families have both TV and mobile. If the total number of families is 116, then how many families have neither mobile nor TV?

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  • 1
    32
    Correct
    Wrong
  • 2
    29
    Correct
    Wrong
  • 3
    23
    Correct
    Wrong
  • 4
    24
    Correct
    Wrong
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Answer : 2. "29"

Q:

In a polygon, the sum of the interior angles is double the sum of the exterior angles. What is the number of sides of the polygon?

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

Q:

Two numbers are more than the third number by 20 % and 50 % respectively. Find the first number is what percent of the second number? 

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  • 1
    80%
    Correct
    Wrong
  • 2
    120%
    Correct
    Wrong
  • 3
    100%
    Correct
    Wrong
  • 4
    150%
    Correct
    Wrong
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Answer : 1. "80% "

Q:

10 men can finish painting a wall in 8 days. How many more men will be needed if the painting work is to be finished in 4 days?

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  • 1
    8
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    10
    Correct
    Wrong
  • 4
    20
    Correct
    Wrong
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Answer : 3. "10"

Q:

A does half as much work as B in one-third of the time taken by B. If together they take 10 days to complete a work, then the time take by B alone to do it would have been__

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  • 1
    30 days
    Correct
    Wrong
  • 2
    25 days
    Correct
    Wrong
  • 3
    6 days
    Correct
    Wrong
  • 4
    12 days
    Correct
    Wrong
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Answer : 2. "25 days"

Q:

A bar graph showing the height of six mountain peaks. Study the bar graph and answer the following Questions.

How much percentage is more than Peak A From Peak F?

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  • 1
    $$ {26}{4\over13}\%$$
    Correct
    Wrong
  • 2
    $$ {26}{2\over13}\%$$
    Correct
    Wrong
  • 3
    $$ {26}{8\over13}\%$$
    Correct
    Wrong
  • 4
    16 %
    Correct
    Wrong
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Answer : 2. "$$ {26}{2\over13}\%$$"

Q:

A man is walking at a speed of 12 km / h. After every kilometer he relaxes for 4 minutes. How much time (in minutes) will it take to cover a distance of 8 kilometers?

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  • 1
    64
    Correct
    Wrong
  • 2
    68
    Correct
    Wrong
  • 3
    60
    Correct
    Wrong
  • 4
    72
    Correct
    Wrong
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Answer : 2. "68"
Explanation :

Distance=Speed×Time

so that Time=8/12 hour=40 minute
But he relaxes each 1 kilometer to 4 minute
so that total rest is =7×4=28 minute
so that total time=40+28 =68 minute

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