?% of (136 ÷ 17 × 75) = 180 ?/100 x 600 = 180 ? = 180/600 x 100 ? = 30
`sqrt(7744)` - `sqrt(4761)` + `sqrt(8281)` + `sqrt(5625)` + ? = 1856
24% of 400 × 16% of ? = 384
Train M, ‘x’ metres long crosses (x – 30) metres long platform in 22 seconds while train N having the length (x + 30) metres crosses the same plat...
√(24²+285-8²-172) = ?²
[{(3 × 54 × 21)/63} + 6] / 6 = √?
236.23-653.23+696.23=?
5121.3 × 641.8 ÷ 80.5 = 8?
1090 + 237 + 30549 - 86 - 104 = ? x 6
