The error is in part (A). The word "campiagn" should be corrected to "campaign" to make the sentence grammatically correct.
(1782 ÷ 11.98) ÷ 2.92 × 35.89 + 25% of 541 – 67% of 1299 = ?
1120.04 – 450.18 + 319.98 ÷ 8.06 = ?
(8.083.03 + 59.59% of 839.83) ÷ 16.06 × 24.04 = ?3 + 1012.12
(5.013 – 20.04) = ? + 9.98% of 6199.98
(71.78 × 59.88 ÷ 17.92 ÷ 120.22 × 161.72)% of 32 = ?
1254.04 – 440.18 + 399.98 ÷ 10.06 = ?
(78.03 + 116.98) ÷ 13.211 = 89.9 – 25.23% of ?
? % of 759.96 + 932.99 = 1237.01
19.87% of (49.68 × ?) = 19.78% of 1099.87
(√845 ×19.932+ √4230 ×14.385)/(√1765 ×4.877 ) = ?