12.5% of (100 + ?) = 40
20% of 10% of 900 + 84/12 = ?2
If x²y² + (1/ (x2y2)) = 83, then the value of xy – 1/xy is:
75% of 65% of 7/5 of 2420 = ?
(√2704 x 55)/(245 + 120) =?
{(700 ÷ 20) × 40} – 30 × 18 = ?% of 1000
√121 + √961− √289 =?2
27% of 250 – 0.02% of 1000 is equal to:
(?) x 3 + 68 = √9025
