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

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?

Select the odd word from the given alternatives.

Select the odd word from the given alternatives.