Quantitative Aptitude - Arithmetic Ability Questions

If x - 1/x = 1 then what is the value of 1x1x-1-1x+1+1x2+1-1x2-1?

ΔXYZ is right angled at Y. If m∠Z = 60°, then Cosec X =

If 2secA - (1 + sinA)/cosA = x, then the value of x is

If P = 7 + 4√3 and PQ = 1, then what is the value of 1/P2 + 1/Q2?

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]

Surya works 3 times as fast as Ramya and is able to complete a work in 40 days less than the number of days taken by Ramya. Find the time in which they can complete the work together.

The average age of A and B is 18 years. After 3 years, C joins them and the average ages of A, B and C becomes 22 years. The age of C is ?

If a - b = 2 and ab = 24, then what is the value of a3- b3?