Quantitative Aptitude - Arithmetic Ability Questions

The circumference of a circle is equal to the perimeter of an equilateral triangle. If the radius of the circle is 7 cm what is the length of the side of the equilateral triangle?

If 10% loss is made on selling price, then the rate of loss on the cost price will be

A person clapped his hands near a cliff and heard echo after 6 s. The distance of the cliff from the personis: [take v = 346 m/s]

Flight A usually takes 1 hour more than Flight B to travel a distance of 7200 km. Due to engine trouble speed of flight B falls by a factor of 1/6th, so it takes 36 minutes more than Flight A to complete the same journey? What is the speed of Flight A (in km/hr)?

Average of two numbers is 8 and average of other three numbers is 3 ; the average of the five numbers is

A's salary is 50% more than that of B. Then B's salary is less than that of A by

A missile travels at 1116 km/h. How many metres does it travel in one second?

A man travels 800 km in partly by rail and partly by steamer. He spends 7 hours more time on steamer. If the velocity of the steamer is 20 km/hr and the velocity of rail is 55 km/hr, how much distance does he cover by steamer?