Quantitative Aptitude - Arithmetic Ability Questions

A spaceship travels at 810 km/hr. How many metres does it travel in 1/5th of a second?

A boy running at 10/9 th of his actual speed covers 39 km in 2 hours 20 minutes and 24 seconds. Find the actual speed of the boy (approx.)

A and B together do a job in 12 days and A could do the job in 20 days if he worked alone. How many days would B take to do the job if he worked alone?

The ratio of present ages of Rasika and Shami is 7:5. After 17 years the ratio of their ages will be 12:11. What is Rasika's present age?

What approximate value should come in place of the question mark (?) in the following questions? (You are not expected to calculate the exact value.)

21.003 × 39.998 –209.91 = 126× ?

If 4x2= 152- 92, then value of x is

If θ is positive acute angle and 4sin2θ = 3, then the value of tan θ - cot θ/2 is

Selling price of a table is Rs 2808. If profit percentage is 17%, then what is the cost price (in Rs) of table?