Quantitative Aptitude - Arithmetic Ability Questions

If a cone of radius 10.5 cm and height 12 cm is melted and constructed into a cylinder of the same radius, what will be the height of this cylinder?

A 600 metres long train is running at the speed of 81 km/hr. If it crosses a platform in 40 seconds, then what is the length of the platform (in metres)?

What is the distance between the points (3 , 6) and (-2 , -6)?

If 51.97 ­ (81.18 -­ x ) ­- 59.39 = 5.268, then value of x will be

Select the odd letters from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.