Question
Train A running at a speed of 46 km/hr. crosses train B
in 30 seconds. Find the speed of train B (in km/hr), if the sum of the length of train A and B is 500 meters and both trains running in the opposite direction.Solution
Let speed of train B be ‘x’ km/hr. According to question, => 30(46 + x) × (5/18) = 500 => 1380 + 30x = 1800 => 30x = 420 => x = 14 km/hr.
What is the value of ‘x’ if x% of 720 added to {2160 ÷ x of 20} × 2 gives 180?
{640 of 8 - (12)2 of 6} - 900 = ?
9/5 × 18/25 ÷ 42/21 = ? - 82/75
What value should come in the place of (?) in the following questions?
(? ÷ √1444) * 15 = 30 * 45 ÷ 19
345 × 20 ÷ 4 + 28 + 60 = ?Â
√3600% of 150 + 3/5 of 360 - ? = 210
Simplify the following expressions and choose the correct option.
(72 ÷ 3) × (5/6) + 7² = ?
414 ÷ 23 × 38 – 154 + 264 = ?
...17.5% of 400 – 24% of 150 = ?
3.3 Times 2/27 of 40% of 364=?