Question: (0.9 * 0.9 – 0.8 * 0.8)/1.7 = ________?

• 1. 0.1
• 2. 0.2
• 3. 0.3
• 4. 0.4

Question: 5/8 * 2(2/5 – 5/4)/ 11/4= _________?

• 1. 1/5
• 2. 4/5
• 3. 6/5
• 4. 8/5

Question: 5 * 5 ÷ 5 + 5 ÷ 5 = __________?

• 1. 3
• 2. 2
• 3. 4
• 4. 6

Question: 36 * 48 ÷ 64 + 36 ÷ 12 = _________?

• 1. 12
• 2. 18
• 3. 20
• 4. 30

Question: ? % of 400 + 40% of 160 = 17% of 400:

• 1. 4
• 2. 0.1
• 3. 1
• 4. 0.4

Question: 52 * 40.1 = ________?

• 1. 2080
• 2. 2480
• 3. 2260
• 4. 2380

Question: 22004 – 29303 + 101299 – 59532 = _________?

• 1. 44000
• 2. 24500
• 3. 34500
• 4. 26000

Question: 30.9 * 3000 – 10.1 * 1100 + 8298 – 4302 = _________?

• 1. 80000
• 2. 90000
• 3. 105000
• 4. 85000

Question: 421 * 0.9 + 130 * 101 + 10000 = ___________?

• 1. 33500
• 2. 23500
• 3. 22500
• 4. 24500

Question: [8 + {(21 * √9/441 – 1 /5 of 60% – 1/5) * 625 + 7} ÷ 4] = _________?

• 1. 10
• 2. 15
• 3. 7
• 4. 16