Quantitative Aptitude - Arithmetic Ability Questions

In the following question, select the odd word pair from the given alternatives.

Find out the odd word/letters/number/number pair from the given alternatives.

The radius of the circle is 14 cm, an arc is subtend an angle 54 degree at center. Find the length of the arc (in cm).

Find the value of x if 1-x24 = 1318

What is the value of x4+y4 when the value of x3+y3=8 and x+y=2 ?

What is the value of xy if x - y = 3 and x2+y2=15?

To cover a distance of 144 km in 3.2 hours what should be the average speed of the car in meters/second?

Ages of Lalu and Balu are in the ratio of 1 : 2. After 7 years their ages ratio changes to 3 : 5. The elder person age is