The Antarctic Desert is the largest desert in the world by area.
(5/8 + 7/12) x 168 = ? + 93 - 25
22% of 400 + √ ? = 34% of 800 - 25% of 400
85% of 620 + ? % of 1082 = 4855
[{70 + (40 - 22) ÷ 3} ÷ 4] = ?
116 ÷ 280 of 1/2 + 3/5 × 5/3 = ?
25% of 240 + √? = (2/3) × 120
The alarms of two alarm clocks sound at regular intervals of 72 seconds and 80 seconds. If they beep together for the first time at 6:00 am, at what tim...
