Maths Practice Question and Answer

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 ? 3378 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: 0.01 is what per cent of 0.1 ? 3371 2

  • 1
    10%
    Correct
    Wrong
  • 2
    Correct
    Wrong
  • 3
    100%
    Correct
    Wrong
  • 4
    Correct
    Wrong
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Answer : 1. " 10%"
Explanation :

Q: The difference between 4632 and 20000 is what number 3368 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:

Running 4/3 of his usual speed, a person improves his timing by 10 minutes. Find his usual time to cover the given distance.

3349 0

  • 1
    40 min
    Correct
    Wrong
  • 2
    45 min
    Correct
    Wrong
  • 3
    46 min
    Correct
    Wrong
  • 4
    48 min
    Correct
    Wrong
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Answer : 1. "40 min"

Q:

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

3342 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:

The marked price of a AC was Rs.22500. After allowing two successive discounts, it was sold for Rs.17595. If the second discount was 8%, then what was the first discount?

3341 0

  • 1
    12%
    Correct
    Wrong
  • 2
    15%
    Correct
    Wrong
  • 3
    14%
    Correct
    Wrong
  • 4
    9%
    Correct
    Wrong
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Answer : 2. "15%"

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?

3333 0

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

Q:

The LCM of two numbers is 495 and their HCF is 5. If the sum of the numbers is 100, then their difference is: 

3325 0

  • 1
    10
    Correct
    Wrong
  • 2
    46
    Correct
    Wrong
  • 3
    70
    Correct
    Wrong
  • 4
    90
    Correct
    Wrong
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Answer : 1. "10 "

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