Find the value of: (74\times\sqrt676)-(42\times\sqrt{?}) = 496

Postal or Sorting Assistants Model Paper 10 With Solutions

Question : 6 of 100

Marks: +1, -0

Find the value of:

(74×√676)-(42×√{?}) = 496

Solution:

(c)

74×√676-42×√{?} = 496

√{?}={(74×26-496)}/42

= 1428 ÷42 = 34

= (34)^2 = 1156

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