A. 178 B. 7850 C. 5200 D. 4800 Explanation: 2578 + 20581 – 17889 = 2600 + 20600 – 18000 = 23200 – 18000 = 5200 Related Mcqs: ³√216400 + √280 + √322 = ________?A. 651 B. 361 C. 100 D. 95 7394 – 1236 – 4652 = ________?A. 1506 B. 1606 C. 1706 D. 1496 64309 – 8703 + 798 – 437 = ________?A. 55606 B. 55697 C. 55967 D. 73373 7 + 1/2 of [8 – 4 / 2 * 3 – 1 + 1 + (4 + 2) – 2 * 2] = ________?A. 9 B. 16 C. 8 D. 12 25 * 25 / 25 + 15 * 40 = ________?A. 125 B. 525 C. 25/64 D. 625 109.13 * 34.14 – 108.12 * 33 = ________?A. 130 B. 135 C. 142 D. 148 45/100 * 125 + 22.22 = ________?A. 78 B. 76 C. 74 D. 72 26.98% of 6002 + 45.01% of 4199 = ________?A. 2500 B. 3500 C. 3600 D. 4500 (0.456 * 0.456 – 0.228 * 0.228) / (0.456 + 0.228) = ________?A. 0.228 B. 0.456 C. 0.684 D. 1.0 7 + 5 – (3/2 * 1/4) of 2/7 + 7/2 * 1/6 equals ________.A. 12 3/88 B. 24 21/24 C. 12 25/224 D. 12 1/224 Advertisement