Quantitative Aptitude - Arithmetic Ability Questions

In a one day match of 50 overs in an innings the team A had a run rate of 5.3 runs per over. Team B is playing and 5 overs are left and the required run rate to tie the match is 7.2 per over to match the score of Team A. What is team B's score?

The ratio 1 : 5 can be expressed in decimal as

If curved surface area of a cylinder is 1386 sq cm and height is 21 cm, what will be its radius? (Take π = 22/7)

What should be the average speed of the car to cover a distance of 342 km in 1.9 hours?

The ratio between the speeds of two buses is 11:9. If the second bus runs 270 kms in 15 hours, then the speed of the first bus is?

If x = 313- 3-13, then 3x2 + 9xis equal to

If sin (3x ­ 20°) = cos (3y + 20°), then find the value of (x + y).

Two whole numbers are such that the square of first number exceeds the second by 112 and the ratio of the numbers is 4:3. What is thevalue of smaller number?