Quantitative Aptitude - Arithmetic Ability Questions

Two numbers are 50% and 80% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?

If  P2+1P2 = 47, then the value of P + 1P is

Choose the odd word/letters/number/number pair from the given alternatives.

If x = (√2 + 1)/(√2 – 1), then what is the value of (x5 + x4 + x2 + x)/x3 ?

Rakesh goes on a trip on his motor­cycle and rides for 368 kms. If he rides for 5 hours at a speed of 49 km/hr, at what speed he travels for the remaining 3 hours of the journey?

The mean deviation of the data 3, 10, 10, 4, 7, 10, 5 is :

The ratio of present ages of Ramya and Saurabh is 8:7. After 10 years the ratio of their ages will be 12:11. What is Ramya's present age?

The rate of simple interest per annum at which a sum of money double itself in 16 2/3 yrs is