Quantitative Aptitude - Arithmetic Ability Questions

The distance between two cities X and Y is 270 km. First train starts from X at 7:00 a.m. and travels towards Y at 40 km/hr. Second train starts from Y at 8:30 a.m. and travels towards X at 30 km/hr. At what time (in a.m.) will both the trains meet?

Of the 3 numbers whose average is 40, the first is 1/3 rd the sum of other 2. What is the first number?

In what ratio rice costing Rs 14/kg mixed with another rice costing Rs 11/kg to get the mixture costing Rs 11.6/kg?

The simplification value of 735+2-552+7+227+5 is

If 2+x+2-x2+x-2-x=2,then the value of X is

If the selling price is Rs 1680 after getting a discount of 16%, what was the marked price?

If x2+5x+6 = 0, then the value of 2xx2-7x+6 is

 In the triangle ABC, the internal bisector of angle A meets the side BC at D. If BD=7.5 cm and BC=9 cm. Then calculate the value of AB:AC.