Postal or Sorting Assistants Model Paper 1 With Solutions

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Question : 3 of 100

Marks: +1, -0

Find the value of:{

(441)^{1/2}

×

207×(343) ^ {1/3}

}

÷{(14)^2×(529)^{1/2}}

}

$6 1/2$
$5 1/2$
$5 3/4$
$6 3/4$

Solution:

{(441)^{1/2} × 207× (343)^{1/3}} - {(14)^2 × (529)^{1/2}}

{(212)^{1/2}× 207 ×(73)^{1/3}}-{(14)^2×(232)^{1/2}}

(21 ×207×7)-((14)^2×23)

{21×207×7}/{14×14×23}=6 3/4

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