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Simplification Test - 4

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Simplification Test - 4
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  • Question 1
    2 / -0.83

    (√3 + 1)²= ? + √12

    Solution

    (√3 + 1)²= ? + √12
    3 + 2 √3 + 1 = ? + 2 √3 = 4

  • Question 2
    2 / -0.83

    621  ÷27 * 2 –37 = √?

    Solution

    621  ÷27 * 2 –37 = √?
    23 * 2 –37 = √? = 9
    x = 81

  • Question 3
    2 / -0.83

    √? + 43 = √19881

    Solution

    √? + 43 = √19881
    √? = 141 –43
    x  = 9604

  • Question 4
    2 / -0.83

    325 –(12)²+ 75 = (?)²–68

    Solution

    325 –(12)²+ 75 = (?)²–68
    325 –144 + 75 + 68 = (?)²
    (?)²= 324
    x = 18

  • Question 5
    2 / -0.83

    (62.5 * 14 * 5) ÷25 + 41 = (?)³

    Solution

    (62.5 * 14 * 5) ÷25 + 41 = (?)³
    4375 ÷25 + 41 = (?)³
    (?)³= 216
    x = 6

  • Question 6
    2 / -0.83

    48356 + 5412 –736 = ? * 40

    Solution

    48356 + 5412 –736 = x * 40
    53032 = x * 40
    x = 1325.8

  • Question 7
    2 / -0.83

    538.24 –193.42 + 343.91 = ?

    Solution

    538.24 –193.42 + 343.91 = 882.15 –193.42 = 688.73

  • Question 8
    2 / -0.83

    (32.4 * 8 * 5 + 4) ÷26 + 14 = (?)²

    Solution

    32.4 * 8 * 5 + 4  = 1300
    1300  ÷26 + 14 = 64 =>x = 8

  • Question 9
    2 / -0.83

    3/8 of 4/5 of 5/6 of 7450 = ?

    Solution

    3/8 of 4/5 of 5/6 of 7450 = 3/8 * 4/5 * 5/6 * 7450
    = 7450/4 = 1862.5

  • Question 10
    2 / -0.83

    44616 ÷√? = 143 * 6

    Solution

    44616 ÷√? = 143 * 6
    √?  = 2704

  • Question 11
    2 / -0.83

    45% of 300 + √? = 56% of 750 –10% of 350

    Solution

    45% of 300 + √x = 56% of 750 –10% of 350
    135 + √x = 420 –35 ⇒ √x  = 250
    x  = 62500

  • Question 12
    2 / -0.83

    [(?)11/7 /50] = [20/(?)10/7]

    Solution

    [(?)11/7 /50] = [20/(?)10/7 ] x3  = 1000
    x = 10

  • Question 13
    2 / -0.83

    79296 ÷√x =112*12

    Solution

    √x = 79296 / 112*12
    √x = 59
    x  = 3481

  • Question 14
    2 / -0.83

    1637 + 1832 = (45)²+ (?)²

    Solution

    1637 + 1832 = (45)²+ (?)²
    (?)²= 3469 –2025 = 1444 =>x = 38

  • Question 15
    2 / -0.83

    13498 + 8932 –1159 = ? * 89

    Solution

    13498 + 8932 –1159 = ? * 89
    x * 89 = 21271 =>x = 239

  • Question 16
    2 / -0.83

    (37685 + 29452 –41897) ÷250 = ?

    Solution

    (37685 + 29452 –41897) ÷250
    = 25240 ÷250 = 100.96

  • Question 17
    2 / -0.83

    75 / ? = ? / 147

    Solution

    x ² = 75 * 147 =>x = 105

  • Question 18
    2 / -0.83

    (32.4 * 8 * 5 + 4) ÷26 + 14 = (?)² 

    Solution

    32.4 * 8 * 5 + 4  = 1300
    1300  ÷26 + 14 = 64 =>x = 8

  • Question 19
    2 / -0.83

    √(12 * 145 ÷6 + 34) = ?

    Solution

    √(12 * 145 ÷6 + 34)
    = √(290 + 34)
    = 18

  • Question 20
    2 / -0.83

    5670 ÷(28*13.5) = ? 

    Solution

    5670 ÷(28*13.5)
    = 5670 ÷378 = 15

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