Question 71
What should come in place of the question mark (?) in the following mathematical statement?
$$\sqrt{19\times650\div13+18.5\times4}\times13 =?$$
Solution
= $$\sqrt{19\times650\div13+18.5\times4}\times13$$
= $$\sqrt{19\times50+74}\times13$$
= $$\sqrt{950+74}\times13$$
= $$\sqrt{1024}\times13$$
= $$32\times13$$
= 416
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