The common difference of an Arithmetic Progression in which `a_(25) - a_(12) = -52` is ………

The common difference of an arithmetic progression in which a_(15)-a_(6)=-(27)/(2) is (where a_(n), is the nth term of the given AP)

What is the common difference of an A.P. in which a_(12) - a_(8) = 24 ?

What is the common difference of an A P.in which a_(21)-a_(7)=84

What is the common difference of an AP in which a_(27) -a_(7) = 80?

What is common difference of an AP in which a_(21) - a_(7) = 84 ?

If the common difference of an AP is 10, then what is a_(18) - a_(16) ?

What is the common difference of an AP in which a_(18)-a_(14)=32 ?