Maths Practice Question and Answer

Q: Which number is 40% less than 90% of 100? 4807 3

  • 1
    36
    Correct
    Wrong
  • 2
    54
    Correct
    Wrong
  • 3
    50
    Correct
    Wrong
  • 4
    60
    Correct
    Wrong
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Answer : 2. " 54"
Explanation :

Q:

A rod of length 85 m is divided into two parts if the first part of the rod is 2/3 of the second part then the larger part (in metres) is.

4779 1

  • 1
    34
    Correct
    Wrong
  • 2
    170/3
    Correct
    Wrong
  • 3
    85
    Correct
    Wrong
  • 4
    51
    Correct
    Wrong
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Answer : 4. "51"

Q:

Three vessels contain alcoholic solutions with the concentrations of alcohol as 0.25, 0.5 and 0.75 respectively. 4 litres from the first, 6 litres from the second and 8 litres from the third are mixed. What is the ratio of alcohol and water in the resultant mixture? 

4775 0

  • 1
    1: 2
    Correct
    Wrong
  • 2
    1: 3
    Correct
    Wrong
  • 3
    1: 1
    Correct
    Wrong
  • 4
    5: 9
    Correct
    Wrong
  • 5
    5: 4
    Correct
    Wrong
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Answer : 5. "5: 4"

Q:

The average of all prime numbers 21 to 50 is (round off to one decimal number) 

4755 0

  • 1
    35.9
    Correct
    Wrong
  • 2
    34.8
    Correct
    Wrong
  • 3
    33.7
    Correct
    Wrong
  • 4
    32.9
    Correct
    Wrong
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Answer : 1. "35.9 "

Q:

What will come in place of the question mark (?) in each of the following series?

6 13 38 ? 532 2675 

4744 0

  • 1
    129
    Correct
    Wrong
  • 2
    123
    Correct
    Wrong
  • 3
    172
    Correct
    Wrong
  • 4
    164
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "129 "

Q: Ratio of length, breath and height of a room is 5:4:2. Area of four wall is 144 square meter. Find diagonal of the floor. 4708 0

  • 1
    2√41 mtr
    Correct
    Wrong
  • 2
    3√41 mtr
    Correct
    Wrong
  • 3
    2√42 mtr
    Correct
    Wrong
  • 4
    2√41 mtr
    Correct
    Wrong
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Answer : 1. "2√41 mtr "
Explanation :

undefined

Q:

if 5432*7 is divisible by 9, then the digit in place of * is :

4625 1

  • 1
    0
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    9
    Correct
    Wrong
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Answer : 3. "6"
Explanation :

Q: Ratan can complete a work in \(5 {1 \over 2}\) days while Rupesh can complete it in \(10 {1 \over 2}\) days. In how many days can they both complete it working on it together? 4623 2

  • 1
    \(3 {39 \over 64 }\)
    Correct
    Wrong
  • 2
    \(4 {39 \over 64 }\)
    Correct
    Wrong
  • 3
    \(5 {39 \over 64 }\)
    Correct
    Wrong
  • 4
    \(6 {39 \over 64 }\)
    Correct
    Wrong
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Answer : 1. "\(3 {39 \over 64 }\) "

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