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Knowing Our Numbers Test - 7

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Knowing Our Numbers Test - 7
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Weekly Quiz Competition
  • Question 1
    1 / -0

    Find the value of the given number after rounding to the nearest thousand.

    4,526 + 7,125

    Solution

    4,526 + 7,125 = 11,651
    For rounding to the nearest 1,000, we need to look at the hundreds column.

    If the hundreds column is 5 or more, the number will be rounded up to the nearest multiple of 1,000 and if the hundreds column is less than 5, then the number will be rounded down to the nearest multiple of 1,000.

    Hence, after rounding to the nearest 1,000, we get 12,000.

     

  • Question 2
    1 / -0

    Find the sum of the place values of the 8's in the given number.

    45,812,871

    Solution

    The place value of the number 8 in the hundreds column will be 800 and in the hundred thousands column will be 8,00,000.
    Sum = 8,00,000 + 800 = 8,00,800

     

  • Question 3
    1 / -0

    Find the correct expanded form of the given number.

    Twenty nine million, sixty four thousand, four hundred and ninety six

    Solution

    Twenty nine million, sixty four thousand, four hundred and ninety six
    = 29,000,000 + 60,000 + 4,000 + 400 + 90 + 6 = 29,064,496

     

  • Question 4
    1 / -0

    When a Roman numeral of bigger value is put before a number of smaller value, it gets

    Solution

    It is a general rule of writing Roman numeral and stated as when a Roman numeral of bigger value is put before (or to the left) a number of smaller value, it gets added. For example -

    1. VI = 5 + 1 = 6
    2. CXX = 100 + 10 + 10 = 120
    3. MCL = 1000 + 100 + 50 = 1150

     

  • Question 5
    1 / -0

    What will be the sum of the smallest 7-digit number and the greatest 5-digit number?

    Solution

    The smallest 7-digit number = 1,000,000
    The greatest 5-digit number = 99,999
    Sum = 1,000,000 + 99,999 = 1,099,999

     

  • Question 6
    1 / -0

    What is the smallest and the largest 6-digit number formed using 9, 4 and 7, using each digit maximum 2 times?

    Solution

    Largest 6-digit number formed by using 9, 4 and 7 = 9,97,744
    Smallest 6-digit number formed by using 9, 4 and 7 = 4,47,799

     

  • Question 7
    1 / -0

    The numerical value that a digit has by virtue of its position in a number signifies its

    Solution

    Place value is defined as the numerical value that a digit has by virtue of its position in a number. The lowest place value is the rightmost position, and each successive position to the left has a higher place value.

    Example: The place value of 7 in 730 is 700.

     

  • Question 8
    1 / -0

    A plastic carton can bear a weight up to 150 kg. How many ball bearings can be kept inside the carton, if each weighs 1.2 kg?

    Solution

    Weight of each bearing = 1.20 kg
    Capacity of carton = 150 kg
    Number of ball bearings that can be put in carton = 150/1.20 = 125

     

  • Question 9
    1 / -0

    The number 9,84,32,701 can be written in the Indian system as:

    Solution

    The number 9,84,32,701 can be written in the Indian system as 'nine crore eighty-four lakh thirty-two thousand seven hundred and one'.

     

  • Question 10
    1 / -0

    The sum of the smallest 4-digit number and the biggest 3-digit number in Roman numerals is

    Solution

    The smallest 4-digit number = 1,000
    The biggest 3-digit number = 999
    Sum = 1,000 + 999 = 1,999
    In Roman numerals, 1,999 will be written as MCMXCIX.

     

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