Maths Practice Question and Answer

Q:

A batsman in his 20th innings make a score of 110 and there by increases his average by 4. What is his average after 20 innings? 

3646 0

  • 1
    34
    Correct
    Wrong
  • 2
    43
    Correct
    Wrong
  • 3
    36
    Correct
    Wrong
  • 4
    30
    Correct
    Wrong
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Answer : 1. "34 "

Q:

What approximate value should come in place of the question mark(?) in the following question.
635×455÷403=?

3646 0

  • 1
    735
    Correct
    Wrong
  • 2
    795
    Correct
    Wrong
  • 3
    695
    Correct
    Wrong
  • 4
    685
    Correct
    Wrong
  • 5
    715
    Correct
    Wrong
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Answer : 5. "715"

Q: The difference between 4632 and 20000 is what number 3634 0

  • 1
    15368
    Correct
    Wrong
  • 2
    12652
    Correct
    Wrong
  • 3
    14562
    Correct
    Wrong
  • 4
    14965
    Correct
    Wrong
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Answer : 1. "15368"
Explanation :

Answer: A) 15368 Explanation: The difference between 4632 and 20000 is given by subtracting smaler number from the bigger number. Here the bigger number is 20000 Smaller number is 4632 Now, subtracting 4632 from 20000 20000 - 4632 = 15368 and the resut is an even number.   Hence, The difference between 4632 and 20000 is 15368 and is an even number.

Q:

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

15     21    33    51     75    (?) 

3633 0

  • 1
    113
    Correct
    Wrong
  • 2
    103
    Correct
    Wrong
  • 3
    105
    Correct
    Wrong
  • 4
    115
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 5. "None of these"

Q: Mr. Shankar spends 25% of his monthly salary on household expenditure, 20% of the remaining on children’s education, and the remaining is equally invested in three different schemes. If the amount invested in each scheme is Rs.5600, what is the monthly salary of Shankar ? 3615 0

  • 1
    Rs. 34000
    Correct
    Wrong
  • 2
    Rs. 31245
    Correct
    Wrong
  • 3
    Rs. 24315
    Correct
    Wrong
  • 4
    Rs. 28000
    Correct
    Wrong
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Answer : 4. "Rs. 28000"
Explanation :

Answer: D) Rs. 28000 Explanation: Let the monthly salary of Shankar be = Rs.xAmount invested on expenditure = 25% = x/4;Remaning amount = 3x/4;Amount invested on children education = 20% i.e = 3x/20;Remaining amount = 3x/4 - 3x/20 = 3x/5;Remaining amount invested in three different schemes i.e is 1/3(3x/5) => x/5 = 5600Therefore x = 28000Hence, Monthly salary of Shankar is Rs. 28,000.

Q:

If the four-digit number 463y is divisible by 7, then what is the value of y?

3613 0

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

Q:

A bank offers 20% compound interest per half year. A customer deposits Rs 7600 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained from interest is –

3603 0

  • 1
    Rs 9727
    Correct
    Wrong
  • 2
    Rs 2432
    Correct
    Wrong
  • 3
    Rs 4864
    Correct
    Wrong
  • 4
    Rs 1216
    Correct
    Wrong
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Answer : 3. "Rs 4864"

Q:

In the given figure, DE‖BC and DE=1/3 BC if area of triangle ADE=20 sq. cm, then what is the area (in sq.cm) of the triangle DEC?

3600 0

  • 1
    40
    Correct
    Wrong
  • 2
    60
    Correct
    Wrong
  • 3
    80
    Correct
    Wrong
  • 4
    120
    Correct
    Wrong
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Answer : 1. "40"

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