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Computation Operations Test - 1

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Computation Operations Test - 1
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  • Question 1
    1 / -0
    How many times should we subtract 7 from 56 to get 0?
    Solution
    7 x 8 = 56
    Thus, we have to subtract 7 eight times to get 0.

  • Question 2
    1 / -0
    The following are 2 given equations.



    What will be the value of

    Solution
    Using the given two equations,


    3095 - 2351
    = 744
  • Question 3
    1 / -0
    Multiplication is the process of repeated
    Solution
    Multiplication is the process of repeated addition.

  • Question 4
    1 / -0
    Which of the following numbers will come in place of ?
    Solution
    When the numbers are added, 6 + 5 = 11
    Hence, 1 will be in the right most place.

  • Question 5
    1 / -0
    What will be the missing number in the box?
    Solution
    ? x 8 + 7 = 55
    ? x 8 = 55 - 7 =48
    ? = 48÷8
    = 6
  • Question 6
    1 / -0
    Which of the following numbers should be added in 999 to get the smallest 4 digit number?
    Solution
    The smallest four digit number = 1000
    If we add 1 to 999 we will get four digit smallest number.

  • Question 7
    1 / -0
    How many 1000's, 100's, 10's and 1's should be added to get the smallest 4 digit number?
    Solution
    The smallest four digit number is 1000 and it has only digit 1 at the thousands place.
  • Question 8
    1 / -0
    What will come in the blank to make the statement true?
    Solution
    It is subtraction.
    57 - 25 = 32
    32 is the answer.
  • Question 9
    1 / -0
    Which of the following operations will be used to make the following statement true?
    Solution
    Division will be used to make the statement true.
  • Question 10
    1 / -0
    Reshma has 6 boxes and 66 books to be put equally in all the given 6 boxes. What will be the number of books in each box, if
    Solution
    Using the six times table,
    6 x 11 = 66
    So, 11 books will be there in each box.
  • Question 11
    1 / -0
    The difference between 123 tens and is 456. Find the number.
    Solution
    Let the number = x
    123 tens = 1230
    1230 - x = 456
    x = 1230 - 456
    x = 774
  • Question 12
    1 / -0
    Mr. Smith asks his students a question in the following format.

    Which of the following relations could be true regarding this if number of boys is x?

    A. 35 + x = 60
    B. 25 + x = 60
    C. 60 + x = 60
    D. All of the above
    Solution
    Let the number of boys = x
    Number of girls = G
    Total = T
    x + G = 60
    35 + x = 60 is true.
  • Question 13
    1 / -0
    A sports teacher needs to order shoes for 63 students and the shoes come in a pack of 9. How should the teacher work out the number of packs required to be ordered?

    A. 63 x 9
    B. 63/9
    C. 63 + 9
    D. None of these
    Solution
    Total shoes required = 63
    Number of packs = 63/9
    = 7 packs
  • Question 14
    1 / -0
    If there are 8 balls in each of these boxes, then how many balls are there in total?

    Solution
    There are 8 balls in each of the boxes.
    Thus, number of balls = 10 x 8 = 80
  • Question 15
    1 / -0
    If there are a total of 125 stars on the given 5 rectangular sheets and each sheet has equal number of stars, then what is the number of stars that they each have?
    Solution
    The total number of sheets are 5.
    Total number of stars = 125
    Stars on each sheet = 25

  • Question 16
    1 / -0


    Which of the following calculations will work out for the total number of hearts?

    A. 7 x 5
    B. 8 x 5
    C. 5 x 6
    D. All of the above
    Solution
    The total number of hearts in each circle = 7
    Total number of circles = 5
    Total number of hearts = 7 x 5 = 35
  • Question 17
    1 / -0
    The value of a number is given as follows.

    Find the value of

    .
    Solution

    Then,


    = 20
  • Question 18
    1 / -0
    Find the missing digit in the box, if both the numbers are multiplied.
    Solution
    The missing number is 0 as 5 x 2 = 10
  • Question 19
    1 / -0


    Which of the following equations best represents the total number of stars?

    A. 3 x 3
    B. 3 x 5
    C. 5 + 3
    D. 5 x 5
    Solution
    Number of stars in each box = 3
    Total number of boxes = 5
    Total number of stars = 3 x 5
  • Question 20
    1 / -0
    The sum is given as follows.



    What is the value of

    Solution
    From the given two equations,

  • Question 21
    1 / -0
    There are 4256 stickers in a box. If these stickers are in pairs of two, then find how many pairs of stickers are there.
    Solution
    4256 ÷ 2 = 2128
    So, there are 2128 pairs of stickers.
  • Question 22
    1 / -0
    Rohan has put 6 sweets in each of the shown boxes. How many sweets has he used in all?

    Solution
    6 sweets in 8 boxes i.e. 6 x 8 = 48
    So, he has used 48 sweets in total.
  • Question 23
    1 / -0
    Radhika has Rs. 843. She got Rs. 84 more from her brother. How much money does she have altogether?

    Solution
    Total amount of money with Radhika = 843 + 84
    = Rs. 927
  • Question 24
    1 / -0
    Priya is collecting cards of two different colours. She has 554 red cards and 418 blue cards. Find how many blue cards are less than red cards.
    Solution
    Difference between red and blue cards = 554 - 418
    = 136

  • Question 25
    1 / -0
    There are some students sitting in a play ground. If the number of students in one row is the same as the number of rows, then which of the following can be the total number of students?
    Solution
    There are 7 students in a row and there are 7 rows in total.

  • Question 26
    1 / -0
    Solution
    + 15 = 75
    = 75 - 15 = 60
    and = 15

    So, the final calculations are


  • Question 27
    1 / -0
    What is the missing number in the circle?


    Solution
    ?x5+3÷8-3=3
    ? =3+3x6-3÷5
    ?=9
  • Question 28
    1 / -0
    Find the value of A + B.

    Solution


    So,
    A = 5
    B = 4
    A + B = 5 + 4 = 9
  • Question 29
    1 / -0
    Which of the following statements is incorrect?
    Solution
    10 ÷ 5 = 2
    5 ÷ 10 = 0.5
    So, they are not the same.
  • Question 30
    1 / -0
    Find the four digit number if

    • it is an odd number
    • its tens digit is an even number
    • its hundreds digit is the ones digit of 555 + 321
    • its thousands digit is the tens digit of 335 - 185

    Solution
    5643 satisfies all the conditions.
    • It is an odd number.
    • Its tens digit is an even number
    • Its hundreds digit is the ones digit of 555 + 321 = 876
    • Its thousands digit is the tens digit of 335 - 185 = 150


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