Quantitative Aptitude - Arithmetic Ability Questions

An equilateral triangle of side 6 cm is inscribed in a circle. Then radius of the circle is

If x+y+z = 1, 1/x + 1/y + 1/z = 1 and xyz = -1, then x3+y3+z3 is equal to

Makarand works 2 times as fast as Samarjit. If Samarjit can complete a job alone in 27 days, then in how many days can they together finish the job?

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

Choose the word is least like the other words in the group

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

Chandan is 2 years older than Ankit but 1 year younger than Sumit. Ankit is twice as old as Khushboo. If Khushboo's age is 25 years, what is the age (in years) of Sumit?

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]