Quantitative Aptitude - Arithmetic Ability Questions

If sec -5π/4 = x, then the value of x is

The sum of a fraction and 3 times its reciprocal is 37/10. What is the fraction?

If 1aa2+1 = 3, then the value of a6+1a3 is

Select the odd word from the given alternatives.

Select the odd word from the given alternatives.

If x – y – √18 = –1 and x + y – 3√2 = 1, then what is the value of 12xy(x2 – y2)?

Consider two-digit numbers which remain the same when the digits interchange their positions. What is the average of such two-digit numbers?

A rectangular playground ground of length 125 m and width 75 m, has a walking strip of width 3 m in the middle of the ground, along the longer side. What is the area of the ground without the walking strip?