Maths Practice Question and Answer

Q:

Royalty on the book is less than the printing cost by :

2939 0

  • 1
    5 %
    Correct
    Wrong
  • 2
    10 %
    Correct
    Wrong
  • 3
    20 %
    Correct
    Wrong
  • 4
    25 %
    Correct
    Wrong
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Answer : 4. "25 %"
Explanation :

 Printing Cost of book = 20% of C.P.
Royalty on book = 15% of C.P
Difference = (20% of C.P) – (15% of C.P) = 5% of C.P.
⸫ Percentage difference =
=  = 25% = 25%
Thus, Royalty on the book is 25% less than the printing Cost. 

Q:

The average age of a cricket team of 11 players is the same as it was 3 years back because 3 of the players whose current average age of 33 years are replaced by 3 youngsters. The average age of the new comers is: 

2939 0

  • 1
    22 years
    Correct
    Wrong
  • 2
    20 years
    Correct
    Wrong
  • 3
    23 years
    Correct
    Wrong
  • 4
    21 years
    Correct
    Wrong
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Answer : 1. "22 years "

Q:

Two train approach each other at 30 km/hr and 27 km/hr. From two places 342 km. apart. After how much time will they meet? (in hours)

2938 0

  • 1
    9
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    8
    Correct
    Wrong
  • 4
    5
    Correct
    Wrong
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Answer : 2. "6"

Q:

If 13 + 23 + .....+103 = 3025 then 4 + 32 + 108 + ..... 4000 is equal to -

2929 0

  • 1
    12300
    Correct
    Wrong
  • 2
    12500
    Correct
    Wrong
  • 3
    12100
    Correct
    Wrong
  • 4
    11800
    Correct
    Wrong
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Answer : 3. "12100"

Q: if 120 is 20% of a number, then 120% of that number will be : 2926 0

  • 1
    20
    Correct
    Wrong
  • 2
    120
    Correct
    Wrong
  • 3
    480
    Correct
    Wrong
  • 4
    720
    Correct
    Wrong
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Answer : 4. " 720"
Explanation :

undefined

Q:

40 % are the passing marks. A student gets 250 marks yet fails by 38 marks. What are the maximum marks? 

2924 0

  • 1
    800
    Correct
    Wrong
  • 2
    840
    Correct
    Wrong
  • 3
    720
    Correct
    Wrong
  • 4
    750
    Correct
    Wrong
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Answer : 3. "720"

Q:

The sum of square of two numbers is 68 and square of the difference of them is 36. Then multiplication value of the two is. 

2922 0

  • 1
    16
    Correct
    Wrong
  • 2
    32
    Correct
    Wrong
  • 3
    58
    Correct
    Wrong
  • 4
    30
    Correct
    Wrong
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Answer : 1. "16 "

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