60 + 5 * 12 / (180/3) = _______? A. 60 B. 120 C. 13D. 61 Explanation: 60 + 5 * 12 / (180/3) = 60 + 5 * 12 / (60) = 60 + (5 * 12)/60 = 60…

4 * 0.4 * 0.04 * 0.004 = _________? A. 0.0256 B. 0.00256C. 0.000256 D. 0.0000256 Explanation: 4 * 0.4 * 0.04 * 0.004 => 4 * (4/10) * (4/100) * (4/1000) = (256/1000000) = 0.000256

(0.456 * 0.456 – 0.228 * 0.228) / (0.456 + 0.228) = ________? A. 0.228 B. 0.456 C. 0.684 D. 1.0 Explanation: (0.456 * 0.456 – 0.228 * 0.228) / (0.456 + 0.228) This is the form of 7x/60 =…

8/15 / 1 1/3 * 3 ?/4 = 1.5 A. 1 B. 2C. 3 D. 5 Explanation: 8/15 * 3/4 * 3 ?/4 = 1.5 => 3 ?/4 = 3/2 * 5/2 = 15/4 = 3 3/4 => ? =…

3648.24 + 364.824 / ? – 36.4824 = 3794.1696 A. 2 B. 3 C. 4 D. 5 Explanation: 3648.24 + 364.824 / ? – 36.4824 = 3794.1696 364.824/? = 3794.1696 – 3648.24 + 36.4824 Thus ? = 364.824 / 182.412…

24 – [2.4 – {0.24 * 2 – (0.024 – ?)}] = 22.0584 A. 0.0024 B. 0.024 C. 0.24 D. 0.00024 Explanation: 24 – [2.4 – {0.24 * 2 – (0.024 – ?)}] = 22.0584 24 – [2.4 – {0.48…

79.98 / 12.51 * 2.49 = ______? A. 12 B. 14C. 16 D. 18 Explanation: 80 / 12.5 * 2.5 = ? => ? = 6.4 * 2.5 = 16

√3584 * 52.034 = _______? A. 3180 B. 3200C. 3120 D. 3210 Explanation: √3600 * 52 = ? => ? = 60 * 52 = 3120

58978 / 363.94 * 11.02 = _______? A. 1580 B. 1680C. 1780 D. 1880 Explanation: 59000 / 364 * 11 = ? => ? = 162 * 11 = 1782 = 1780

26.98% of 6002 + 45.01% of 4199 = ________? A. 2500B. 3500 C. 3600 D. 4500 Explanation: 27% of 6000 + 45% of 4200 = ? => ? = 27/100 * 6000 + 45/100 * 4200 => ? = 1620…