24 − [2.4 − {0.24 × 2 − (0.024 − ?)}] = 22.0584. Find? A. 0.0024 B. 0.024 C. 0.24 D. 0.00024 Explanation: Solve Equation carefully.
2222.2 + 222.22 + 22.222 = ____. A. 2466.462 B. 2664.642 C. 2464.462 D. 2466.642 Explanation: Align decimals and add.
22004 − 29303 + 101299 − 59532 = ____. A. 44000 B. 24500 C. 34500 D. 26000 Explanation: Add and subtract stepwise.
2003 × 2004 − 2001 × 2002 = ____. A. 8000 B. 8010 C. 8020 D. 8040 Explanation: Use identity (a+1)(a+2) − (a−1)(a) = 4a+2.
2 + [2 + {2 + (2 + 23)}] = ____. A. 17/4 B. 33/4 C. 65/4 D. 129/4 Explanation: Evaluate nested brackets.
18 men eat 20 kg of rice in 3 days. How long will 6 men take to eat 40 kg rice ____. A. 20 B. 18 C. 32 D. 20 Explanation: Consumption ∝ men × days.