Instructions: What will come in place of question mark (?) in the following questions?
4003×77 - 21015 = ?×116
[(5$$\sqrt{7}$$ + $$\sqrt{7}$$ ) × (4$$\sqrt{7}$$ + 8$$\sqrt{7}$$ )] - (19)2 = ?
(4444÷40) + (645÷25) + (3991÷26) = ?
$$\sqrt{33124}$$×$$\sqrt{2601}$$ - (83)2 = (?)2 + (37)2
5$$\frac{17}{37}$$ × 4$$\frac{51}{52}$$ × 11$$\frac{1}{7}$$ + 2$$\frac{3}{4}$$ = ?
Instructions: What approximate value should come in place of the question mark (?) in the following questions. (Note: You are not expected to calculate the exact value)
8787 ÷ 343 × $$\sqrt{50}$$ = ?
$$\sqrt[3]{54821}$$×(303÷8) = (?)2
$$\frac{5}{8}$$ of 4011.33 + $$\frac{7}{10}$$ of 3411.22 = ?
23% of 6783 + 57% of 8431 = ?
335.01×244.99 ÷ 55 = ?