Simplification

Bodmas rule in maths:- 
Together, these four rules give you BODMAS: Brackets, Orders (powers and roots), Division and Multiplication, … When all your operations are the same level (for example, all division or multiplication), simply work from left to right.
  1. 5432.91 ÷ 2324.65 × 210.05 = ___?__
    1 : 370
    2 : 410
    3 : 437
    4 : 491
    5 : 510

    Answer
    4 : 491
  2. √7321 x 35.999 = ?
    1 : 2980
    2 : 3080
    3 : 3180
    4 : 3286
    5 : 3470

    Answer
  3. ³√5826 + 456= ? ÷ 31.001
    1 : 13740
    2 : 15632
    3 : 14690
    4 : 17572
    5 : 18174

    Answer
    3 : 14690
  4. 64.66 ÷ 11.31 × 5.25 = ___?__
    1 : 30
    2 : 35
    3 : 39
    4 : 42
    5 : 45

    Answer
    1 : 30

    5. 25.675% of 1321 + 64.328% of 4001= ___?__
    1 : 2912
    2 : 3016
    3 : 3126
    4 : 3254
    5 : 3348

    Answer
    1 : 2912

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