Quantitative Aptitude - Arithmetic Ability Questions

A can do a certain job in 12 days. B is 60% more efficient than A. Then B can do the same piece of work in

The population of a town increases by 5% in the first year, by 6% in the second year and by 8% in third year. The present population of town is 120204. What was the population of the town 3 years ago?

If 5x = 30-y = 6z, then what is the value of (xy + yz + zx)/xyz?

If sinC - sinD = x, then value of x is

If 56 × 75 × 60 × 84 × 210 = 2p × 3q × 5r × 7s, then what is the value of [(p + q)/s] + r?

9997 x 10003 = ?

If the amount on a certain principal in 3 years at 12% rate of interest compounded annually is Rs 12,000, what will be the amount (in Rs) after the 4th year?

A Bus travels at the speed of 36 km/hr, then the distance covered by it in one second is