Which gas is commonly known as laughing gas?
Nitrous oxide (N 2 O) is commonly known as laughing gas due to its euphoric effects when inhaled.
The value of {5 − 5 ÷ (10 − 12) × 8 + 9} × 3 + 5 + 5 × 5 ÷ 5 of 5 is:
18 + 28÷ 4 - 14 = ? - 35
...132 × 3 ÷ 11 + 67 − ? = 64 ÷ 8 × 2
110 ÷ 5.5 + (?)3 ÷ 12 = 20(2/3)
44% of 560 + 68% of 2160 × 5/12 =? + 32% of 920.
3.2% of 500 × 2.4% of ? = 288
12% of 10% of 15% of 5000 + (12 x 15) = ?
3% of 842 ÷ 2% of 421 = ?
40% of (362 ÷ 0.05) = ?
324² × 36 ÷ 18⁵ × 1120 =?
