Quantitative Aptitude - Arithmetic Ability Questions

The sum of all prime numbers between 18 and 32 is:

The fraction from the ones listed below that will NOT lead to a recurring decimal is

When Gopal walks from A to B and returns from B to A on cycle, then it takes him 46 minutes. By walking both ways, it takes him 75 minutes. If he rides cycle both ways then what will be the total time (in minutes)?

If a+b=5 then the value of a-37+b-27 is

What is the simplified value of (cosec A – sin A)(sec A – cos A)(tan A + cot A)?

If xy+yz+zx = 1, then the value of (1+y2)(x+y)(y+z) ?

If -3/2 + (2/3)(3x + 9) = x/2, then what is the value of x?

In the following question, select the odd letter/letters from the given alternatives.