Question : What is the value of $\frac{0.1 \div 0.2 \times 0.3+0.4 \times 0.5 \div 0.1}{0.1 \times 0.2-0.01} ?$

Option 1: 220

Option 2: 210

Option 3: 216

Option 4: 215

Question : What is the value of 0.8 × 0.8 × 0.8 + 0.7 × 0.7 × 0.7 + 2.52?

Option 1: 2.125

Option 2: 5.165

Option 3: 4.275

Option 4: 3.375

Question : The value of [0.004 × {5 ÷ (21 – 6) × 3} + 0.8] lies between:

Option 1: 0 and 0.4

Option 2: 1.0 and 1.4

Option 3: 0.5 and 0.9

Option 4: 1.5 and 1.9

Question : What is the value of $\sqrt{1.6 \times 1.6+0.9 \times 0.9+3.2 \times 0.9}$?

Option 1: 6.5

Option 2: 2.5

Option 3: 6.25

Option 4: 5.5

Question : What is the value of $\frac{1.2 \times 1.2+0.2 \times 0.2+1.2 \times 0.4}{1.8 \times 1.8+0.4 \times 0.4-1.8 \times 0.8} ?$

Option 1: 0.1

Option 2: 0.25

Option 3: 0.2

Option 4: 1