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Knowing our Numbers Test - 6

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Knowing our Numbers Test - 6
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Weekly Quiz Competition
  • Question 1
    1 / -0

    The population of a town is 86542892. If the number of females is 24596825, find the number of males.

    Solution

    Total population of town = 86542892 Number of females = 24596825
    ∴ Number of males = 86542892 - 24596825 = 61946067

     

  • Question 2
    1 / -0

    The difference in the place values of 8 between the greatest and the smallest 4-digit numbers formed by using the digits 3, 8, 0, 5 each only once is

    Solution

    Greatest 4-digit number formed by using the digits 3, 8, 0, 5 = 8530 Smallest 4-digit number formed by using the digits 3, 8, 0, 5 = 3058
    Now, place value of 8 in 8530 = 8000 Place value of 8 in 3058 = 8
    ∴ Required difference = 8000 - 8 = 7992

     

  • Question 3
    1 / -0

    In numbers from 1 to 100, how many times does the digit 0 appear?

    Solution

    Numbers having 0 in numbers from 1 to 100 are 10, 20, 30, 40, 50, 60, 70, 80, 90 and 100. So, 0 appears 11 times.

     

  • Question 4
    1 / -0

    Find the difference between the place values of two 5's in 653852.

    Solution

    Required difference = 50000 - 50 = 49950

     

  • Question 5
    1 / -0

    950 crank cases are manufactured every day in a factory. How many such cases will be manufactured altogether in the months of October, November and December? (Assume that the factory works on all the days in these 3 months.)

    Solution

    Number of crank cases manufactured in one day = 950
    Number of days altogether in October, November and December=31+30+31=92
    ∴ Number of crank cases manufactured in 92 days=950×92=87400

     

  • Question 6
    1 / -0

    The ascending order of XX, XXXVI, V is _________.

    Solution

    The ascending order of XX, XXXVI, V is V, XX, XXXVI.

     

  • Question 7
    1 / -0

    The distance between Akash's school and home is 2 km 385 m. Every day, he walks to and from the school. Calculate the total distance covered by him from Monday to Friday.

    Solution

    Total distance between Akash's school and home = 2 km 385 m
    Distance covered by him in one day =(2 km 385 m) ×2=4 km 770 m Number of days from Monday to Friday = 5
    ∴ Total distance covered by Akash in 5 days =(4 km 770 m) ×5 = 23 km 850 m

     

  • Question 8
    1 / -0

    (7268-2427) estimated to the nearest hundred is

    Solution

    We have 7268 - 2427 = 4841 Rounded off 4841 to nearest hundred = 4800

     

  • Question 9
    1 / -0

    Number name for 900800700 in Indian system is __________.

    Solution

    90, 08, 00, 700 is written in words as Ninety crore eight lakh and seven hundred.

     

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