Question
Which country officially declared the bald eagle as its
national bird in 2024?Solution
US President Joe Biden signed a law on 24th December 2024, officially making the bald eagle the national bird of the United States. • Historical Background: o 1782: Bald eagle became the national emblem of the US but was not legally recognized.
31% of 3300 +659 = ?
? = 200.24 + 1077.97 – 14.992
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.) 
 49.99% of 639.99 + 159.98% of 49.99 = ?2
What approximate value should come in the place of (?) in the following questions?
...
(8160.42 ÷ 33.73) + 309.79 + ? = 30.2 * 81.84(0.89 3 + 1.64 3 +2.76 3 ) ÷ 5.89 = ?
?% of 549.83 – 18.05 × 31.96 = 44.94% of 479.84 – 13.98 × 33.13
?% of (150.31 ÷ 14.97 × 50.011) = 319.98
{44.78% of (11.67 × 54.78)} ÷ 2.65 = ? + 19.25
811.85 ÷ 28.05 + 462.16 – 23.06 × 17.95 = ?