Quantitative Aptitude - Arithmetic Ability Questions

The ratio of speeds of X and Y is 5:7. Y covers a distance of 420 km in 3 hours. What is the speed of X?

Three toys are in a shape of cylinder, hemisphere and cone. The three toys have same base. Height of each toy is 2√2 cm. What is the ratio of the total surface areas of cylinder, hemisphere and cone respectively?

A number is divided by 52, we get 27 as remainder. On dividing the same number by 13, what will be the remainder?

In the following question, select the odd number from the given alternatives.

The value of 3x9n+1+9x32n-19x32n-6x9n-1 is equal to

The number whose square is equal to the difference of the squares of 37 and 23 is:-

In ∆ABC two medians BE and CF intersects at the point O and P,Q are the midpoints of BO and CO respectively. If the length of PQ=3cm, then the length of FE will be

Gautam goes to office at a speed of 12 kmph and returns home at 10 kmph.His average speed is