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6th Class Mathematics Sample Paper Mathematics Sample Paper-5

  • question_answer
    Find the value of the following?
    (a) \[297\times 17+297\times 3\]
    (b) \[54279\times 92+8\times 54279\]
    (c) \[81265\times 169-81265\times 69\]
    (d) \[3845\times 5\times 782+769\times 25\times 218\]

    Answer:

    (a) \[297\times 17+297\times 3\]
    \[=297\times (17+3)\]
    \[=297\times 20\]
    \[=5940\]                                                                                                                                 
    (b) \[54279\times 92+8\times 54279\]
    \[=54279\times \left( 92+8 \right)\]
    \[=54279\times 100\]
    \[=5427900\]                                                                                                                            
    (c) \[81265\times 169-81265\times 69\]
    \[=81265\times (169-69)\]
    \[=81265\times 100\]
    \[=8126500\]                                                                                                                            
    (d) \[3845\times 5\times 782+769\times 25\times 218\]
    \[=3845\times 5\times 782+(769\times 5)\times 5\times 218\]
    \[=3845\times 5\times 782+3845\times 5\times 218\]
    \[=(3845\times 5)\times (782+218)\]
    \[=19225\times 1000\]
    \[=19225000\].                   


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