Math Numerical Exam Quiz!

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| By Jenitamithila
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Jenitamithila
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Quizzes Created: 1 | Total Attempts: 327
| Attempts: 327
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  • 1/10 Questions

    If  -2m = 4, what is  -12m?

    • -24
    • -6
    • 6
    • 24
    • None of the above
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About This Quiz

The 'Math Numerical Exam Quiz!' assesses fundamental arithmetic and algebra skills. It includes problems on multiplication decomposition, linear equations, geometric reasoning about triangles, and operations with negative numbers. This quiz is ideal for enhancing mathematical understanding and problem-solving abilities.

Math Numerical Exam Quiz! - Quiz

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  • 2. 

    For any number P, 3P is the same as:- 

    • P to the power 3

    • 3 + P

    • P+P+P

    • P*P*P

    • None of the above.

    Correct Answer
    A. P+P+P
    Explanation
    The given statement states that for any number P, 3P is the same as P+P+P. This means that when we multiply any number P by 3, the result is equal to adding P to itself three times. Therefore, the correct answer is P+P+P.

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  • 3. 

    The result of adding 10% of 100 to 200 and then subtracting 5% of 200 from the result is the same as:-

    • 200

    • Adding 5% of 100 to 200

    • Adding 5% of 200 to 200

    • Adding 10% of 100 to 200

    • None of the above

    Correct Answer
    A. 200
    Explanation
    Adding 10% of 100 to 200 means adding 10 to 200, which equals 210. Then, subtracting 5% of 200 from the result means subtracting 10 from 210, which equals 200. Therefore, the result of adding 10% of 100 to 200 and then subtracting 5% of 200 is 200.

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  • 4. 

    Which of these is the same as 20082009 * 43?

    • 20082009 * 40 +3

    • ( 2008 * 40 ) + ( 2009 * 43 )

    • ( 20082009 * 4 ) + ( 20082009 * 3 )

    • (20082009*40) + ( 20082009*3 )

    • None of the above

    Correct Answer
    A. (20082009*40) + ( 20082009*3 )
    Explanation
    The correct answer is (20082009*40) + ( 20082009*3 ). This is because multiplying 20082009 by 40 gives the result of 803280360, and multiplying 20082009 by 3 gives the result of 60246027. Adding these two results together gives the final answer of 863526387.

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  • 5. 

    Rahul has scored 78,72,90 and 82 marks respectively in his English, Hindi, maths, and scientific papers. What are his marks in social studies if his average score in all the five papers is 80?

    • 78

    • 79.5

    • 80

    • 80.5

    • None of the above

    Correct Answer
    A. 78
    Explanation
    To find Rahul's marks in social studies, we need to calculate the total marks he scored in all five papers. Since his average score is 80, the sum of his marks in all five papers is 80 multiplied by 5, which is 400. If we subtract the sum of his marks in English, Hindi, maths, and scientific papers from this total, we can find his marks in social studies. Therefore, his marks in social studies would be 400 - (78 + 72 + 90 + 82) = 78.

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  • 6. 

    A merchant sold an item for Rs.1200 to earn a profit of a little less than 50% over its cost price. What could the cost price be?

    • Rs.55

    • Rs.607

    • Rs.796

    • Rs.1809

    • None of the above

    Correct Answer
    A. Rs.607
    Explanation
    The cost price of the item could be Rs.607. If the merchant sold the item for Rs.1200 and wanted to earn a profit of a little less than 50% over its cost price, then the selling price would be 150% of the cost price. By setting up the equation 150% of the cost price = Rs.1200, we can solve for the cost price, which is Rs.607.

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  • 7. 

    Which of these equations is equivalent to  14p + 4 = 74?

    • 14p=78

    • 7p+2= 37

    • 7p+2=74

    • 14p+2=37

    • None of the above

    Correct Answer
    A. 7p+2= 37
    Explanation
    The given equation is 14p + 4 = 74. To find an equivalent equation, we need to isolate the variable p on one side of the equation. By subtracting 4 from both sides of the equation, we get 14p = 70. Dividing both sides of the equation by 14, we get p = 5. Therefore, the equivalent equation is 7p + 2 = 37, which can be obtained by substituting the value of p as 5 into the equation.

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  • 8. 

    Rashmi measured two of the sides of a triangle and found them to be 4 cm and 9 cm . which of the following could be the length of the third side?

    • 3 cm

    • 8 cm

    • 13 cm

    • 14 cm

    • None of the above

    Correct Answer
    A. 8 cm
    Explanation
    The length of any side of a triangle must be less than the sum of the lengths of the other two sides and greater than the difference between the lengths of the other two sides. In this case, the sum of the two given sides (4 cm and 9 cm) is 13 cm, and the difference between them is 5 cm. Therefore, the length of the third side could be 8 cm, as it is greater than 5 cm and less than 13 cm.

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  • 9. 

    What can be said about the number obtained on subtracting (-2010) from 2010 ?

    • It is zero

    • It is smaller than (-2010)

    • It is greater than 2010

    • It is a positive number smaller than 2010

    • None of the above

    Correct Answer
    A. It is greater than 2010
    Explanation
    When subtracting a negative number from a positive number, the result will always be greater than the positive number. In this case, subtracting (-2010) from 2010 will give a result greater than 2010.

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  • 10. 

    Which of these is the same as the Least Common Multiple (LCM) of 3 numbers :- 5,8725 and 9100 ? (NOTE: you need not actually calculate the LCM)

    • LCM of 5 and 8725

    • LCM of 5 and 9100

    • LCM of 8725 and 9100

    • All of the above

    • None of the above

    Correct Answer
    A. LCM of 8725 and 9100
    Explanation
    The correct answer is "all of the above". The LCM of three numbers is the smallest number that is divisible by all three numbers. In this case, the LCM of 8725 and 9100 would also include the LCM of 5 and 8725, as well as the LCM of 5 and 9100. Therefore, all three options mentioned in the answer are correct.

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 09, 2010
    Quiz Created by
    Jenitamithila
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