NIACL Model Paper 10 with solutions for free online practice

Question : 45 of 100

Marks: +1, -0

64.5% of 800 + 36.4% of 1 500

= (?)^2 + 38

Solution:

{64.5 × 800} /100+{36.4 ×1500}/100

= (?)^2 + 38

=> 516 + 546 = ?^2 + 38

1062 = ?^2 + 38

⇒

?^2 = 1062 - 38 = 1024

?= √1024 = 32

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